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World's top polluters pledge action at UN summit; Obama calls on all nations to address challenges of a warming Earth
As the world’s largest polluters discuss future action, vulnerable smaller nations lead the charge to renewables
While Obama touts his carbon reduction plan at the U.N., a close examination reveals a costly flaw
Solomon Islands has seen temperatures surge, and female farmers are struggling to provide food for families
What makes it so hard to reach an accord addressing climate change among developed and developing nations?
Victoria Rockefeller Wayne, chairwoman of the Rockefeller Brothers Fund, says the fund is looking towards the future
Naomi Klein, author of 'This Changes Everything,' argues that capitalism has destabilized our planet's life system
Ali Velshi discusses the global rallies that sent a clear message to leaders for immediate action to change our future
World leaders from government, finance, business and civil society aim to lock in pledges to reduce emissions
NYC police pepper-spray protesters heading for Wall Street, day after massive separate march for climate change action