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World Wildlife Fund blames human threats to nature for biggest share of decline, particularly in tropical regions
Organizers say climate change crisis narrowing divisions between traditional green groups, reformist factions
The World Bank president and Save the Children CEO discuss issues during the Clinton Global Initiative meeting
A year later, those bitten still suffer from severe allergy to meat and meat byproducts
Republic of Kiribati President Anote Tong explains the challenges his country faces
Floods, droughts and rising sea levels may play a role in determining where you decide to buy a home
As activists bemoan a lack of political will among world leaders, what can the rest of society do about global warming?
President Obama and other world leaders meet at the UN to discuss a global reduction in emissions
To sustain a national movement, sell the public on the individual benefits of climate protection