Here are 3 big ideas to combat climate change, with or without COP

As the U.N.’s COP30 meeting falls short, groups find ways to fight climate change on their own

Protestors march outside of COP30 in Brazil

Thousand of marchers filled the streets of Belém, Brazil, on November 15, demanding that the delegates to the U.N. Climate Change Conference, or COP30, come up with concrete ways to combat human-caused climate change. The results of the two-week meeting fell short.

PABLO PORCIUNCULA/Contributor/Getty Images

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