A new United Nations treaty is bringing a once-in-a-generation chance to save our open oceans and all the life that depends on them.

January 16, 2019

The biology of death caused by particulate matter.

October 29, 2018

Famous for their elegant colors and transcontinental feats of migration, these beloved pollinators are also in free fall, as habitat loss and heavy use of herbicides jeopardize their future.

May 03, 2018

Gun-control activists want to use financial levers to curtail firearm sales. Can we do the same for carbon emissions?

April 25, 2018

Prevention is the best medicine for this tick-borne disease—but we’ve got our work cut out for us.

April 09, 2018

Before a president auctions off U.S. coastlines to oil companies, he has to ask state governors, Congress, local businesses, and you. Here’s how Trump is ignoring that process—and how it’s endangering coastal communities.

March 01, 2018

As temperatures rise, mosquitoes and ticks thrive. And so do the diseases they carry.

February 01, 2018

From fisticuffs to force-feeding—a history of the fight for women's rights.

January 18, 2018

Coal can never be king, even if Scott Pruitt plays the joker.

December 21, 2017

From undersea coral canyons to deep northern woods, these seven places deserve to be part of the president’s legacy.

July 27, 2016