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Under the Montreal Protocol, developing countries still have until next year to stop production of the chemical, says Tom Land, an EPA official who helps run the agency's stratospheric-ozone protection programs.
Scientists, environmentalists, and government officials, in an attempt to replicate the apparently successful international response to stratospheric-ozone depletion that was mounted in the mid-1980s, created an institutional structure aimed at formalizing the connection between science and political action.
As air and water pollution disappear as prime issues, as acid rain and stratospheric-ozone depletion fade from public view, climate change seems like the best growth area for regulators.