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Protesters Gather In Madrid For Climate Strike Led By Activist Greta Thunberg00:52
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This article is more than 1 year old.

As the United Nation's climate summit continues in Madrid, protesters from around the world are arriving ahead of a Friday climate strike led by teenage activist Greta Thunberg. Some activists have already started rallying over their concerns with carbon markets.

This segment aired on December 5, 2019.

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