Carbon dioxide should be determined to be a chemical posing an unreasonable risk and regulated under authorities Congress gave the Environmental Protection Agency under the Toxic Substances Control Act, an environmental group told the agency in a rulemaking petition. "The first-of-its-kind petition under the toxics act seeks widespread reduction of CO_2 because it contributes to ocean acidification, driving the destruction of coral reefs and threatening nearly every form of sea life, from tiny plankton to fish, whales and sea otters," the Center for Biological Diversity said in announcing the petition it filed under Section 21 of TSCA. The EPA is required to reply to Section 21 petitions within 90 days.
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