March 24, 2014, 10:47 a.m. by Michael d'Estries
'Liturgusa algorei' one of 19 new species of the predatory insect identified in the tropical forests of Central and South America.
August 27, 2013, 2:46 p.m. by Shea Gunther
Here are 10 people who are doing good, 140 characters at a time. Make sure you're following these environmental mavens on Twitter.
May 8, 2013, 11:38 a.m. by John Platt
The former vice president has benefited from sustainable investments, Silicon Valley leadership and the sale of Current TV.
September 14, 2011, 10:56 a.m.
Video: Al Gore talks about his work on the Climate Reality Project and marvels at the sophistication of Stephen's global warming metaphor.
September 13, 2011, 9:12 a.m.
Five years after the release of 'An Inconvenient Truth,' Gore returns to the world stage with 24 one-hour presentations around the world. But is this the right man to inspire a sense of urgency?