EPA head Scott Pruitt announced new rules this week barring researchers who've received agency grants from serving on key advisory boards. NPR's Scott Simon talks with professor Peter Thorne.
The Flint water crisis prompted a focus on issues like drinking water infrastructure and on the people left out of the environmental movement. Some environmental groups are trying to change that.
The Republican tax bill keeps deductions for charitable donations, but nonprofits say other changes could reduce giving as much as $13 billion a year and they plan to fight the proposal.
Some residents and first responders are suing the chemical company Arkema, claiming it didn't do enough to protect them from fires that started at one of its plant near Houston after Hurricane Harvey.
The Trump administration refused last month to put the Pacific walrus on the endangered species list, spelling a "death sentence" for the species that lives in the seas between Alaska and Russia.
Many organic tomatoes or peppers are grown in greenhouses, where they get nutrients from water. Critics say that violates the spirit of "organic." A bid to strip them of the label failed this week.
Author Kim Stanley Robinson deserves a place as a true visionary: He has done more than just write good science-fiction — he's mapped out new territory in what it means to be human, says Adam Frank.