Environment
- Climate
U.S. will withdraw from climate pact, Trump announces
President Trump announced June 1 that the United States will withdraw from the Paris climate accord.
- Environment
When it’s hot, plants become a surprisingly large source of air pollution
During a heat wave, trees and shrubs can sharply raise ozone levels, a new study shows.
- Environment
Peace and quiet is becoming more elusive in U.S. wild areas
Human noise stretches into the wilderness.
- Environment
‘Fossil’ groundwater is not immune to modern-day pollution
Ancient groundwater that is thousands of years old is still susceptible to modern pollution, new research suggests.
- Climate
Plot twist in methane mystery blames chemistry, not emissions, for recent rise
The recent rise in atmospheric methane concentrations may have been caused by changes in atmospheric chemistry, not increased emissions from human activities, two new studies suggest.
- Oceans
The Arctic is a final garbage dump for ocean plastic
Ocean currents dump plastic garbage from the North Atlantic into previously pristine Arctic waters, new research shows.
- Oceans
The Arctic is a final garbage dump for ocean plastic
Ocean currents dump plastic garbage from the North Atlantic into previously pristine Arctic waters, new research shows.
- Chemistry
New tech harvests drinking water from (relatively) dry air using only sunlight
A prototype device harvests moisture from dry air and separates it into drinkable water using only sunlight.
- Environment
When coal replaces a cleaner energy source, health is on the line
Health concerns prompted a shift from nuclear power to coal. But that shift came with its own health troubles, a new study suggests.
- Environment
Most fish turned into fishmeal are species that we could be eating
Millions of tons of food-grade fish are turned into fishmeal for aquaculture and agriculture.
- Chemistry
New, greener catalysts are built for speed
Researchers are designing catalysts to move chemical reactions without using precious metals, or at least using less of them.
- Oceans
Climate change may boost toxic mercury levels in sea life
Increased runoff to the ocean due to climate change could raise neurotoxic mercury in coastal sea life by disrupting the base of the food web.
