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Arbor Day Foundation Honors UMD with Tree Campus USA Recognition

March 30, 2017
Contacts: 

Karen Petroff, 301-405-8952

COLLEGE PARK, Md. – The University of Maryland was once again recognized by the Arbor Day Foundation as a 2016 Tree Campus USA for its commitment to effective urban forest management. 

Tree Campus USA is a national program created in 2008 by the Arbor Day Foundation to honor colleges and universities for effective campus forest management and for engaging staff and students in conservation goals. University of Maryland achieved the title by meeting Tree Campus USA’s five standards, which include maintaining a tree advisory committee, a campus tree-care plan, dedicated annual expenditures for its campus tree program, an Arbor Day observance and student service-learning project.

"The University of Maryland is honored to be recognized as a ninth-year Tree Campus USA, reflecting our commitment to the campus tree canopy, its environmental and academic benefits, and to the student engagement on our Do Good campus that inspires us year after year," said UMD’s Charles Robert Reuning, associate vice president, chief facilities officer.

In observance of Maryland’s Arbor Day on Wednesday, April 5, UMD will host a tree planting ceremony at 1:30 p.m. on McKeldin Mall at Symons Hall. This ceremonial planting will be the seventh tree planted as part of the university’s effort to plant 30 trees in 30 days. The effort will culminate with another ceremonial willow oak planting on Saturday, April 29 on Maryland Day, which occurs just after National Arbor Day.

The Arbor Day Foundation has helped campuses throughout the country plant thousands of trees, and Tree Campus USA colleges and universities invested more than $46.7 million in campus forest management last year.

“Students are eager to volunteer in their communities and become better stewards of the environment,” said Matt Harris, chief executive of the Arbor Day Foundation. “Participating in Tree Campus USA sets a fine example for other colleges and universities, while helping to create a healthier planet for us all.”

UMD Study Finds that Napping Flies Have Higher Resistance to Deadly Human Pathogen

March 29, 2017
Contacts: 

Leon Tune, 301-405-4679

COLLEGE PARK, MD. -- A new University of Maryland study has found that fruit flies genetically coded to take frequent naps had the strongest resistance to both a fungal infection and bacteria that the World Health Organization says is one of the world’s most dangerous superbugs for humans. 

Researchers study the common fruit fly, Drosophila melanogaster, because these tiny flies provide a great model system for studying issues important to human health. More than 70 percent of human disease-causing genes have a corresponding disease gene in this reproductively prolific and short-lived fly. Researchers can study traits across many generations of fruit flies to understand the genetic basis for specific and general immune system factors involved in individual differences in resistance to disease. In many cases, later human research has shown that what applies to flies also applies to humans. 

Such fly research also may inform efforts to develop new methods to control other insects, such as mosquitoes, which have been called the most dangerous animals on Earth because they are vectors for major human diseases such as malaria, encephalitis and Zika.

The current study, recently published in the peer-reviewed journal PLOS Pathogens, looked at how some 72,000 individual fruit flies varied in resistance to a fungus and to the deadly pathogenic bacteria Pseudomonas aeruginosa. The study found significant genetic variation among fruit flies in their resistance to the specialist insect pathogenic fungus Metarhizium anisopliae and that this resistance generally correlated with resistance to the bacteria. The research found a number of different genetically-determined traits accounted for this increased resistance. These included both disease-specific genetic variations and variations in traits -- like sleep patterns or reduced sensitivity to stress or starvation -- that confer greater generalized immune system resistance to disease. 

“We found that flies resistant to the fungus were also resistant to the Pseudomonas bacteria and that the most resistant flies were those that tend to take lots of naps,” said senior author Raymond St. Leger, a Distinguished University Professor in UMD’s department of Entomology, which is part of both the university’s College of Agriculture and Natural Resources and its College of Computer Mathematical and Natural Sciences. “We speculate that frequent naps charge up the immune system allowing the fly to meet new disease challenges when it’s awake.”

St. Leger and his two UMD colleagues, graduate student and first author of the paper Jonathan Wang, and post-doctoral associate Hsiao-Ling Lu also found some of the flies carried variants of genes that greatly increased resistance to either the fungus or the bacteria. However, these disease resistance variants were rare, indicating that they also carried negative consequences that kept them from being evolutionarily advantageous enough to increase in the overall population over time.

“The finding that flies resistant to the fungus were also resistant to the bacteria was surprising, because some components of the fly immune system tackle bacteria while other components tackle fungi, just as it happens in humans,” said Wang. “We had assumed before the study began that there might be a tradeoff so that resistance to the fungus might be at the expense of resistance to the bacteria. The finding of dual resistance to the two different pathogens indicates that the genes regulating generalized physiological factors played a bigger role in overall resistance than did the genes conferring disease-specific resistance.” 

The authors write that their new findings provide a “starting point for further research on these important traits.”

This work was supported by grants from UMD’s Department of Entomology and the Maryland Agricultural Experimental Station.

 See a recent New York Times article and video "Rachel Carson, DDT and the Fight Against Malaria" featuring Professor St. Leger and his research on mosquitoes here.

Multi-year Satellite Study Finds “Hotspots” of Airborne Ammonia over World’s Major Agricultural Areas

March 27, 2017
Contacts: 

Matthew E. Wright, 301-405-9267

COLLEGE PARK, Md. -- The first global, long-term satellite study of airborne ammonia gas has revealed “hotspots” of the pollutant over four of the world’s most productive agricultural regions. Using data from NASA’s Atmospheric Infrared Sounder (AIRS) satellite instrument, a University of Maryland-led research team discovered steadily increasing ammonia concentrations from 2002 to 2016 over agricultural centers in the United States, Europe, China and India. Increased atmospheric ammonia has been linked to poor air and water quality.   

The study, published in the journal Geophysical Research Letters, also describes the probable causes for increased airborne ammonia in each region. Although the specifics vary between areas, the increases in ammonia are broadly tied to crop fertilizers, livestock animal wastes, changes to atmospheric chemistry and warming soils that retain less ammonia. The results could help illuminate strategies to control pollution from ammonia and ammonia byproducts near agricultural areas.

“Our study reports the first global, long-term trends of atmospheric ammonia from space,” said Juying Warner, an associate research scientist in atmospheric and oceanic science at UMD. “Measuring ammonia from the ground is difficult, but the satellite-based method we have developed allows us to track ammonia efficiently and accurately. We hope that our results will help guide better management of ammonia emissions.”

Gaseous ammonia is a natural part of Earth’s nitrogen cycle, but excess ammonia is harmful to plants and reduces air and water quality. In the troposphere—the lowest, densest part of the atmosphere where all weather takes place and where people live—ammonia gas reacts with nitric and sulfuric acids to form nitrate-containing particles that contribute to aerosol pollution that is damaging to human health. Ammonia gas can also fall back to Earth and enter lakes, streams and oceans, where it contributes to harmful algal blooms and “dead zones” with dangerously low oxygen levels. 

“Little ammonia comes from tailpipes or smokestacks. It’s mainly agricultural, from fertilizer and animal husbandry,” said Russell Dickerson, a professor of atmospheric and oceanic science at UMD. “It has a profound effect on air and water quality—and ecosystems. In Maryland, ammonia from the atmosphere contributes as much as a quarter of the nitrogen pollution in the Chesapeake Bay, causing eutrophication and leading to dead zones that make life very difficult for oysters, blue crabs and other wildlife.”

Each major agricultural region highlighted in the study experienced a slightly different combination of factors that correlate with increased ammonia in the air from 2002 to 2016.

The United States, for example, has not experienced a dramatic increase in fertilizer use or major changes in fertilizer application practices. But Warner, Dickerson and their colleagues found that successful legislation to reduce acid rain in the early 1990s most likely had the unintended effect of increasing gaseous ammonia. The acids that cause acid rain also scrub ammonia gas from the atmosphere, and so the sharp decrease in these acids in the atmosphere is the most plausible explanation for the increase in ammonia over the same time frame.

Europe experienced the least dramatic increase in atmospheric ammonia of the four major agricultural areas highlighted by the study. The researchers suggest this is due in part to successful limits on ammonia-rich fertilizers and improved practices for treating animal waste. Much like the United States, a major potential cause for increased ammonia traces back to reductions in atmospheric acids that would normally remove ammonia from the atmosphere.

“The decrease in acid rain is a good thing. Aerosol loading has plummeted—a substantial benefit to us all,” Dickerson said. “But it has also increased gaseous ammonia loading, which we can see from space.”

In China, a complex interaction of factors is tied to increased atmospheric ammonia. The study’s authors suggest that efforts to limit sulfur dioxide—a key precursor of sulfuric acid, one of the acids that scrubs ammonia from the atmosphere—could be partially responsible. But China has also greatly expanded agricultural activities since 2002, widening its use of ammonia-containing fertilizers and increasing ammonia emissions from animal waste. Warming of agricultural soils, due at least in part to global climate change, could also contribute.

“The increase in ammonia has spiked aerosol loading in China. This is a major contributor to the thick haze seen in Beijing during the winter, for example,” Warner said. “Also, meat is becoming a more popular component of the Chinese diet. As people shift from a vegetarian to a meat-based diet, ammonia emissions will continue to go up.”

In India, a broad increase in fertilizer use coupled with large contributions from livestock waste have resulted in the world’s highest concentrations of atmospheric ammonia. But the researchers note that ammonia concentrations have not increased nearly as quickly as over other regions. The study’s authors suggest that this is most likely due to increased emissions of acid rain precursors and, consequently, some increased scrubbing of ammonia from the atmosphere.  This leads to increased levels of haze, a dangerous trend confirmed by other NASA satellite instruments, Dickerson said. 

In all regions, the researchers attributed some of the increase in atmospheric ammonia to climate change, reflected in warmer air and soil temperatures. Ammonia vaporizes more readily from warmer soil, so as the soils in each region have warmed year by year, their contributions to atmospheric ammonia have also increased since 2002.

The study also ascribes some fluctuations in ammonia to wildfires, but these events are sporadic and unpredictable. As such, the researchers excluded wildfires in their current analysis.

“This analysis has provided the first evidence for some processes we suspected were happening in the atmosphere for some time,” Warner said. “We would like to incorporate data from other sources, such as the Joint Polar Satellite System, in future studies to build a clearer picture.”

Warner, Dickerson and their colleagues hope that a better understanding of atmospheric ammonia will help policymakers craft approaches that better balance the high demand for agriculture with the need for environmental protection.

“As the world’s population grows, so does the demand for food—especially meat,” Dickerson said. “This means farmers and ranchers need more fertilizer, which makes it harder to maintain clean air and water.  Wise agricultural practices and reduced greenhouse gas emissions can help avoid adverse effects.”


Photo: Map of global trends in atmospheric ammonia (NH3) as measured from space from 2002 to 2016. Hot colors represent increases due to a combination of increased fertilizer application, reduced scavenging by acid aerosols and climate warming. Cool colors represent decreases due to reduced agricultural burning or fewer wildfires. Photo credit: Juying Warner/GRL.

 

New Method Enables Creation of Better Therapeutic Antibodies

March 27, 2017
Contacts: 

Matthew Wright, 301-405-9267

COLLEGE PARK, Md.-- Antibodies are the foot soldiers of our immune system. These specialized, Y-shaped proteins attach to bacteria and viruses, where they either block the pathogen’s activity directly, or signal the immune system’s cells to destroy the invader.  Not all antibodies are created equal, however. Due to subtle but important differences in the structure of their sugar groups, two otherwise identical antibodies that attack the same invader might not be equally good at recruiting immune cells to finish the job. Researchers from the University of Maryland and Rockefeller University have previously developed a method to modify an antibody’s sugar group structure, allowing biochemists to create antibodies with consistent sugar groups.

Photo of antibodies with identical protein structureThe researchers have now taken their method a step further, by determining which specific sugar combinations enhance—or suppress—an antibody’s ability to signal the immune system to attack an invader. Lai-Xi Wang, a professor of chemistry and biochemistry at UMD, states results, which are published in the March 13, 2017 early online edition of the Proceedings of the National Academy of Sciences, are an important step toward the development of highly effective antibodies to fight cancer and other diseases.

Antibodies have the ability to target invaders for destruction, making them a tempting target for cancer and disease therapies. An antibody’s ability to send killer signals depends on the configuration of sugar chains attached to the protein. In naturally occurring antibodies, these sugar chains have a lot of variability. Even in antibodies currently used for disease therapy, a given dose might contain a wide variety of antibody variants, also known as “glycoforms,” distinguished by their sugar groups.

Although prior methods tried to sort out these glycoforms and collect the most effective ones, these methods are time-consuming, expensive and not 100 percent effective. The method used in the current study enables the researchers to create a given antibody with identical glycoforms using biochemical techniques. Each glycoform can then be tested independently to see whether it enhances or suppresses the immune response.

“Our first major step forward was to develop a method to produce homogeneous glycoforms,” said Wang. “With this, we can now look at how individual different sugars affect the properties of antibodies. Until this study, we didn’t have an efficient way to know how individual sugars in various glycoforms affect suppression or activation of the immune response.”

Most therapeutic antibodies on the market are designed to treat cancer and autoimmune diseases. For example, there is an antibody-based drug used to treat lymphoma, leukemia and rheumatoid arthritis. This and other similar antibody drugs are usually produced in cultured cell lines.

“These processes are not optimized at all. There is no easy way to control glycosylation,” Wang said. Glycosylation is the process by which sugar groups are added to a protein such as an antibody. “Our method could be used to improve antibodies already on the market because it modifies the antibodies directly instead of working at the genetic level.”

Wang’s group, which specializes in the biochemistry of protein glycosylation, developed the methodology to modify the antibody sugar groups. They partnered with Jeffrey Ravetch’s group at Rockefeller University, which specializes in immunology and animal models, to test the effects of various glycoforms on the immune response. The new findings can help guide the development of future antibody-based therapeutics.

“Our method would be generally applicable because it can be used on a wide variety of antibodies,” Wang said. “It’s an important step forward in the effort to engineer therapeutic antibodies that can target specific cancers, inflammation and other diseases. Soon we will be able to build customized antibodies.”


Photo: Antibodies with identical protein structures (Y-shaped center structures) often have naturally occurring differences in their attached sugar groups (left, inside green ovals). These differences result in enhanced or suppressed abilities to activate the immune response. A process designed at the University of Maryland and tested with help from Rockefeller University allows the engineering of antibodies with identical sugar groups (right, inside pink ovals), which can standardize the activity of the antibodies. Photo credit: Tiezheng Li/Lai-Xi Wang/UMD.

 

Washington Post–UMD Poll Shows Decline in Hogan’s Popularity

March 24, 2017
Contacts: 

Laura Ours, 301-405-5722

COLLEGE PARK, Md. - While Maryland Gov. Larry Hogan has been a popular governor since he first took office in 2015, a recent Washington Post–University of Maryland poll finds that his approval rating has slipped over the past six months.

Hogan’s job-approval rating in September was 71 percent; this latest poll shows Hogan holding a 65 percent job-approval rating. While this is a decline, Hogan’s approval still remains the highest in Post polls for each of the state’s three previous governors, who were affiliated with both parties.

Photo of Gov. HoganAmong the full sample of respondents, 39 percent said they would support Hogan for reelection in 2018, while 36 percent said they would prefer a Democrat. Among registered voters, 41 percent said they support Hogan for reelection, and 37 percent said they would prefer a Democrat. 

The researchers say the poll results underscore Hogan’s challenge as a Republican governor leading a state that went for Democratic presidential nominee Hillary Clinton in September. 

“Even with such high approval ratings, he’s at risk of suffering from what’s going on with the Republican Party,” said Associate Professor Michael Hanmer, research director of the Center for American Politics and Citizenship (CAPC). “His reelection is going to depend on who the Democrats put forward and how much they can attach Hogan to what’s going on in national politics.”

No Democrats have formally declared intention to run for Maryland governor in 2018.

“The election is still a long way off, but I think what happens in national politics and how Governor Hogan does or does not respond is going to matter. In a state with so many more Democrats than Republicans, a general backlash against the Republican Party could propel a Democrat over Governor Hogan, even if his approval rating remains high. This is going to remain very interesting to follow,” Hanmer said.

Read Washington Post Coverage

View Poll Results

About the Poll

This seventh iteration of The Washington Post–University of Maryland poll was conducted by telephone March 16-19, among a random sample of 914 adult residents of Maryland.

Interviews were conducted by live interviewers on both conventional and cellular phones; interviews were conducted in English and in Spanish. The margin of sampling error is plus or minus four percentage points. Sampling, data collection and tabulation were conducted by Abt-SRBI, Inc. of New York, NY.

The University of Maryland and The Washington Post first teamed up to present the poll in October 2014. Polls have focused on Maryland elections, national elections, desired priorities for elected officials and topics of interest to voters including immigration, taxes, education and healthcare.

The partnership combines the world-class reporting, polling and public engagement resources of The Post with rigorous academic analysis from the College of Behavioral and Social Sciences’ nationally-renowned Department of Government and Politics. The poll is designed to provide academics, students and members of the public with insight into both key races and the issues that matter to Maryland residents.

In addition to its impact as a public education tool, the poll also represents a unique research opportunity for UMD students. Hanmer and Associate Professor Stella Rouse, director of CAPC, work with students affiliated with the Center on the design of the poll questions and the analysis of its responses.

The poll is directed by Washington Post polling manager Scott Clement, UMD alumna Emily Guskin (GVPT ’06), polling analyst for The Post, and Hanmer for the University of Maryland.


Photo credit: The Washington Post

 

University of Maryland Develops Model to Prevent E. coli Outbreaks in Leafy Greens

March 23, 2017
Contacts: 

Graham Binder, 301-405-9235

COLLEGE PARK, Md.--It is widely recommended that adults and children eat a variety of fruits and vegetables to round out a healthy and nutritious diet. However, leafy vegetable consumption poses a unique problem in that they are generally consumed raw, which increases the risk of transmitting foodborne illness. California is responsible for more than 75 percent of leafy greens grown in the U.S.  From 1999-2008, the state produced leafy greens with a significant concentration of E. coli outbreaks from July to November. In order to understand the pathway of E. coli in leafy green production, University of Maryland researchers developed the first dynamic system model which simulates the effects of soil, irrigation, cattle, wild pig and rainfall in a hypothetical farm.

Results of the system model conclude that the peak July to November timeframe is consistent with the prevalence of E. coli in cattle and wild pig feces in the Salinas Valley, a major leafy greens producing region in California. The finding was the most evident after examining the results of various scenarios. From this, the research team concluded that the concentration of E. coli in leafy greens can be significantly reduced if feces contamination is controlled. By measuring the numerous factors associated with leafy green contamination in a farm setting, UMD’s College of Agriculture and Natural Resources offers a significant contribution to the science-based process of preventing leafy greens outbreaks in the future.  

According to a 2015 study on leafy vegetable-associated outbreaks, leafy vegetables were linked to over 600 outbreaks in the U.S. from 1973-2012, causing more than 20,000 illnesses and 1,000 hospitalizations. Of the bacterial pathogens, E. coli was responsible for about 50 outbreaks, more than 1,600 illnesses, and 450 hospitalizations.

“Results of our study can help prevent crop contamination at the preharvest stage, reducing the number of leafy green related illnesses in the future,” said Abani K. Pradhan, Ph.D. of UMD’s College of Agriculture and Natural Resources. “We are excited that this research blends our team’s knowledge of food safety and computational microbiology, and allows us to estimate the impact of various sources of contamination which pose threats to our food supply and security.”

The findings have implications for future research.  According to Pradhan, this model can be extended or adopted to examine other crops that are affected by harmful pathogens. In addition to E. coli, Pradhan’s team is currently exploring system models for tomatoes and cucumbers in the Mid-Atlantic region.

Pradhan and his team, in collaboration with a researcher from Rutgers University, completed a manuscript titled “A System Model for Understanding the Role of Animal Feces as a Route of Contamination of Leafy Greens before Harvest,” which was recently published in the journal Applied and Environmental Microbiology.

 

UMD Graduate School Programs Ranked Among Nation’s Best by U.S. News & World Report

March 16, 2017

COLLEGE PARK, Md. --The University of Maryland’s graduate programs were once again highly ranked in the 2018 edition of U.S. News & World Report's Best Graduate Schools. This year’s list features rankings across six disciplines— business, law, engineering, education, medicine, and nursing. In total, 62 UMD graduate programs and specializations were among the top programs in the nation.

Three UMD graduate programs and specializations rank among the top three in the U.S.: Student Counseling and Personnel Services ranks first, African-American History ranks second, and Plasma ranks third. 

UMD also ranked in the top 10 in the following categories:

Business

  • Information Systems (9th)

Education 

  • Educational Psychology (tied at 5th)
  • Higher Education Administration (10th)

Earth Sciences

  • Geochemistry (tied at 7th)

Library and Information Studies (8th)

  • Archives and Preservation (5th)
  • Information Systems (5th)
  • Services for Children and Youth (5th)
  • School Library Media (tied at 5th)
  • Digital Librarianship (tied at 8th)

Math

  • Applied Math ( tied 10th)

Physics

  • Atomic/Molecular/Optical (tied at 6th)
  • Quantum (tied at 8th)
  • Condensed Matter (10th)

The U.S. News and World Report’s annual rankings are based on factors, such as employment rates and starting salaries for graduates and standardized test scores of newly enrolled students.                                                                                                                                

For a full list of UMD’s top 25 graduate programs, click here. To view U.S. News and World Report’s complete  list of Best Graduate School rankings,  click here.

 

 

Earth System Science Interdisciplinary Center at UMD Signs $64.8M Cooperative Agreement with NASA

March 15, 2017
Contacts: 

Matthew Wright, 301-405-9267

COLLEGE PARK, Md. – The Earth System Science Interdisciplinary Center (ESSIC) has been awarded a five-year, $64.8 million cooperative agreement with NASA. Established in 1999, ESSIC is a joint center of the University of Maryland and NASA's Goddard Space Flight Center that supports research, teaching and career training in Earth system science.

The award will enable UMD to continue and expand its close collaboration with NASA Goddard, building on a legacy of nearly two decades of world-class research in meteorology, oceanography, terrestrial physics, hydrology, atmospheric chemistry, ecosystem science and satellite earth observations. The broad goal of ESSIC is to understand the relationships between Earth’s atmosphere, oceans, land masses and biosphere, with an eye to the influence of human activities on Earth’s coupled systems.

“An understanding of our planet has never been more important, and ESSIC is well-placed to address some of the most pressing questions in Earth system science,” said Fernando Miralles-Wilhelm, interim director of ESSIC and a professor of atmospheric and oceanic science at UMD who serves as the cooperative agreement’s principal investigator. “We look forward to the next five years of collaboration with NASA Goddard and our many other academic and government research partners.”

ESSIC links research efforts at UMD’s Departments of Atmospheric and Oceanic Science, Geology, and Geographical Sciences with the Earth Sciences Directorate at NASA’s Goddard Space Flight Center. ESSIC also has a cooperative agreement with the National Oceanic and Atmospheric Administration (NOAA) to support satellite research focused on weather and water forecasting models and predictions. By fostering close integration within the university community and among government partners in NASA and NOAA, ESSIC serves a unique role as a collaboration hub within the national Earth system science research community.

“Through our powerful scientific partnership, we have right here one of the world’s major clusters of Earth system science,” said University of Maryland President Wallace D. Loh. “Their scientific research will make a major contribution to addressing the most pressing challenges of our time.”

Over the next five years, ESSIC will prioritize projects within six major research themes:

  • Atmospheric composition and processes (aerosol/cloud physics)
  • Atmospheric chemistry/carbon cycle
  • The cryosphere
  • Hydrometeorology/precipitation retrieval
  • Hydrology/land surface processes
  • Numerical modeling/data assimilation

“We are looking forward to continued work with ESSIC and UMD on important research areas such as atmospheric processes, atmospheric chemistry and dynamics, and hydrospheric sciences,” said Torry Johnson, NASA Goddard’s Technical Officer for the ESSIC cooperative agreement.

Some recent ESSIC research highlights include:

  • A 2017 study in the journal Nature Scientific Data, led by ESSIC Assistant Research Scientist Amy McNally, which described a new method to use data from NASA’s Land Information System to monitor agricultural and water resources in Africa and Central Asia, and integrate the information into USAID’s Famine Early Warning System Network.
  • A 2016 study in the journal Nature Geoscience, with key contributions from ESSIC Associate Research Scientist Can Li, which reported satellite measurements of 39 major unreported sources of toxic sulfur dioxide emissions. CMNS covered this work with a news release.
  • A 2015 study in the Journal of Geophysical Research, led by ESSIC Assistant Research Scientist Jaehwah Lee, which describes a method to integrate information from three of NASA’s main Earth observing satellites to better track the height of smoke and dust aerosols.
  • A 2015 study in the journal Geophysical Research Letters, led by ESSIC Associate Research Scientist Can Li, outlined a method to monitor atmospheric formaldehyde using satellites, in an effort to understand how environmental pressures such as drought can affect air quality.
  • A 2015 study in the journal Geophysical Research Letters, led by Goddard-based Visiting Research Scientist Hongbin Yu, which provided the first multi-year, satellite-based estimate of transcontinental phosphorus transport from the Bodélé Depression in Chad to the Amazon basin. CMNS covered this work with a news release.

“All of us at ESSIC look forward to building on our record of success by tackling new challenges in Earth systems research over the next five years,” Miralles-Wilhelm said. “We are confident that our strong partnerships with NASA, NOAA and others will enable us to support the vibrant Earth system research community, both here in the greater Washington, D.C. area and beyond.”

President Wallace D. Loh Statement on Fliers

March 14, 2017

The white nationalist posters found on college campuses, including our own, contain detestable language that is an affront to who we are, and what we stand for, as the State's flagship university. As a community, we stand for excellence, diversity, and inclusion. We stand against all forms of ignorance and hate. UMPD is investigating this matter as a hate bias.

The University of Maryland, College Park will close tonight, March 13, 2017 at 9 p.m. and will remain closed Tuesday, March 14, 2017 due to expected inclement weather.

March 13, 2017

The University of Maryland, College Park will close tonight, March 13, 2017 at 9 p.m. and will remain closed Tuesday, March 14, 2017 due to expected inclement weather.

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