Scientists have discovered the cause of the world's second deadliest environmental threat after global warming. And the news really couldn't...

Judy WoodruffIn a PBS NewsHour broadcast discussion segment airing 11/10/15 ("Has Exxon Mobil mislead the public about its climate change...

President Obama's rejection of the Keystone XL pipeline exemplifies the main problem with the administration's push to build a legacy...

Hillary Clinton left New Hampshire campaign Tuesday night after receiving a powerful environmental group's endorsement, boarding a private plane that...

Greenhouse theory is going to pot. Literally.A new report released this week by the U.N.-funded WMO said that the levels of...