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Climate Adaptation

Net-Zero Holdouts That Stick Out Like a ‘Sore Thumb’

Even now, some fossil-fuel companies aren’t giving concrete details about plans to cut emissions.

The Valero Energy Corp. refinery in Houston, Texas 

The Valero Energy Corp. refinery in Houston, Texas 

Photographer: Sharon Steinmann/Bloomberg

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While many large corporations have announced ambitious pledges to achieve net-zero emissions by the middle of the century, their commitments vary and the chances all (or even most) will attain their stated goals remains more than unlikely.