(NEWSER– First came news that 90 companies are to blame for the majority of greenhouse gas emissions. Now, more than two dozen big US corporations are planning for a future that involves paying for their pollution. A survey by green-data firm CDP shows that 29 companies, including Exxon, Chevron, and Walmart, are factoring a carbon-emission price into their long-term financial plans, reports the New York Times. The move suggests they'd be more likely to support policies designed to ease climate change. "Companies see that the trend [of cutting emissions] is inevitable," says a CDP exec. "What you see here is a hardening of that understanding."

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