Nov 20, 2015 The billionaire energy investor hasn't picked a favorite candidate yet.
Nov 19, 2015 A new model of ocean farming could revolutionize the seafood industry.
Nov 13, 2015 Global warming caused by burning fossil fuels was first predicted more than a century ago.
Nov 6, 2015 What did the company know about the issue and what did it tell shareholders?
Nov 4, 2015 French forecaster may lose his job because of his book questioning climate change.
Oct 21, 2015 A new report projects economic productivity falling as temperatures rise.
Oct 2, 2015 It's tempting to set low targets and let other countries pick up the slack.
Sep 29, 2015 How one Swiss town is protecting its glacier from climate change.
Sep 28, 2015 The two take on big issues, including the Trans-Pacific Partnership.