Swedish youth climate activist Greta Thunberg, center in blue, joins other young climate activists Friday for a climate strike outside the White House in Washington, Friday, Sept. 13, 2019. (AP Photo/Susan Walsh)
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Swedish youth climate activist Greta Thunberg, center in blue, joins other young climate activists Friday for a climate strike outside the White House in Washington, Friday, Sept. 13, 2019. (AP Photo/Susan Walsh)
