Newspapers in more than 45 countries united behind a shared editorial demanding urgent and decisive action to avert climate change disaster.

Grace Boggs: The activists in Copenhagen, like those in Seattle in 1999, represent the sovereign people of the world fighting for justice.

Did you think most clean energy technology is locked up by patent holders? The Global Innovation Commons lists thousands of energy-saving technologies already in the public domain.

Solving the “It’s Not My Problem” problem. A psychologist on what keeps us from coming to terms with the climate crisis.

Rich and poor countries are in this together. If either fails to step up, the planet is in trouble. A climate deal must take into account the Global North’s responsibility for nearly 70 percent of greenhouse pollution and the Global South’s need to move out of poverty. The North must cut back sharply on emissions while the South leapfrogs over the industrial age to clean-energy prosperity.

Kumi Naidoo is building a global movement to force world leaders to adopt a binding agreement on climate change. He is executive director of Greenpeace International and chairs TckTckTck, a global campaign for climate action.