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Jamie Henn is the co-founder and Strategic Communications Director for 350.org, an international climate campaign, and it's political affiliate 350 Action. 350.org has coordinated over 20,000 climate rallies in more than 180 countries, helped lead the fight against the Keystone XL pipeline, spearheaded the growing fossil fuel divestment campaign, and co-organized the largest climate march in history, the People's Climate March.
Do you have info to share with HuffPost reporters? Here’s how.
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