Airplane emissions are a big deal, but do they outweigh the chance to do a better job covering climate change and extinction? And is the anxiety over flying always productive?

A database lets U.S. residents get quick information about water contaminants and health threats, but there are some bigger issues to consider, too.

It may not seem charismatic, but Scotland’s Manx shearwater flea could be a symbol that no species is too small or strange to deserve saving.

Regulatory rollbacks are just one small part of the Trump administration’s efforts to limit the effectiveness of the Environmental Protection Agency, but there’s a whole lot more, says a career agency staffer.

Revoking California’s ability to set stricter air-pollution standards also misses three important benefits to California and the nation.

A dire report about our climate and oceans underscores the great need for action. A global oceans treaty could help save the future.

In a warming climate, some bat houses could be death traps. But community-level bat boxes can help give bats more room and options to raise young safely.

The decline of a rare cactus in a national park epitomizes the Trump administration’s failure to protect endangered species along the border.

People displaced by drought, sea-level rise, wildfires and other environmental threats are not currently considered “refugees,” like people fleeing violence or oppression. That needs to change.

Around the world this week, people will stop what they’re doing and stand up to call for great action against climate change.