NPR News: Accusations of 'greenwashing' by big oil companies are well-founded, a new study finds

Accusations of 'greenwashing' by big oil companies are well-founded, a new study finds
Chevron, ExxonMobil, BP and Shell used terms like "climate" and "low-carbon" more frequently in recent annual reports, but their actions on clean energy didn't match their words, researchers conclude.

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