The 1972 Clean Water Act protects the "waters of the United States" but does not precisely define which streams and wetlands this phrase covers, leaving it to presidential administrations, regulators, and courts to decide. ...
Environment
Jan 25, 2024
3
423
Around 12,000 years ago, a diversity of horses and their kin (known as equids) roamed North and South America. These animals were hunted by large, mythical-sounding, now-extinct predators, such as saber-toothed cats and dire ...
Ecology
Jul 28, 2022
1
3803
In the global effort to mitigate carbon dioxide levels in the atmosphere, all options are on the table—including help from nature. Recent research suggests that healthy, intact coastal wetland ecosystems such as mangrove ...
Environment
Feb 1, 2017
2
1381
In agricultural regions such as the U.S. Midwest, excess nitrate from crop fertilizer makes its way into rivers and streams through subsurface drainage channels and agricultural ditches.
Environment
Jan 29, 2018
0
324
An international team of scientists has amassed the largest data set to date on greenhouse gas emissions from hydroelectric reservoirs. Their analysis, published today in the online version of Nature Geoscience, posits that ...
Environment
Aug 1, 2011
1
0
It's hotly debated whether coastal wetlands can survive sea-level rise by migrating inland. A new analysis using highly detailed elevation maps of the Chesapeake Bay region shows that—contrary to previous studies—human ...
Earth Sciences
Jun 14, 2022
0
298
An alarming 50 percent of the world's wetlands have been destroyed in the last 100 years, threatening human welfare at a time of increasing water scarcity, a new report said.
Environment
Oct 17, 2012
0
0
Human activity and development are correlated with reduced carbon storage in wetland soils, a new study published in Nature Communications shows.
Environment
Feb 2, 2017
1
732
Wetlands are among the most productive ecosystems on Earth. Yet with increasing urbanization and agricultural expansion, wetlands around the globe are in danger. Better mapping of wetlands worldwide will help in their protection.
Environment
Dec 4, 2014
0
0
With the Atlantic hurricane season well under way and Tropical Storm Harvey causing devastation in Texas, a new scientific study reports that coastal wetlands significantly reduce annual flood losses and catastrophic damages ...
Environment
Sep 1, 2017
7
400
