Greta Thunberg says she will no longer speak at a climate event, accusing a sponsor of greenwashing by investing in companies tied to the fossil fuel industry
Greta Thunberg speaks at the UN Climate Action Summit in New York, New York on September 23, 2019.Spencer Platt/Getty Images
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<li>Greta Thunberg accused a large investment management firm of gre… [+2997 chars]
