Climate talks spark frustration
December 11, 2012, 11 a.m. by Wynne Parry, LiveScience
Global climate talks in Doha have ended with small steps forward, but none significantly curbs the world's greenhouse gas emission.
Photos: In Rio, a different kind of environmental summit takes shape
June 19, 2012, 12:51 p.m. by Catie Leary
As world leaders fly into Rio de Janeiro for Rio+20, thousands of people from indigenous tribes, environmental groups, unions and religious organizations gather in the Brazilian city for the People's Summit, a forum for alternative ideas.
Photos: Brazil faces eco-challenges ahead of Rio+20
June 13, 2012, 11:58 a.m. by Catie Leary
More than 100 world leaders and tens of thousands of protesters will descend on Rio de Janeiro next week for the Rio+20 summit in hopes of overcoming years of deadlock over environmental issues.