Environment

Guidance could allow regulators to exclude key studies, researchers argue

Pollution and other humanmade problems are changing ecosystems elsewhere

The wolf spider may be indirectly keeping greenhouse gases in check

Odd trend stems from the icy continent’s extreme conditions

Conservation groups question adequacy of environmental impact studies

With copious solar and wind power, Australia aims to displace Haber-Bosch, a dirty, 100-year-old recipe for making ammonia

Scientists intentionally contaminate a Canadian lake to see how oil affects freshwater ecosystems

Retreating sea ice is making marine mammals vulnerable, new study says

Trees along the race course are “leafing out’ earlier every year

Solar windows absorb ultraviolet and infrared light while letting visible light pass through

Controversial clean-energy nominee Daniel Simmons met with skepticism

Its burden lightening, crust beneath glaciers is rising at a startling pace

Gas production leaks enough methane to match climate impact of coal-burning plants for 2 decades

Steven Koonin says the Trump administration has dropped the red-team idea, but it’s not dead

Imitating busy rodents a cheap way to repair damaged rivers, researchers say

Approach could make it affordable to produce gasoline from air, water, and renewable electricity