ENVIRONMENT

Obama, McCain Agree Climate Change Requires Action

While there are substantial differences between the climate and energy planks of the presidential candidates, it's clear that Senator Barack Obama and Senator John McCain agree on something that a persistent cluster of comment contributors here (and about 20 percent of the country) rejects:

That the threat posed by the buildup of heat-trapping greenhouse gases in the atmosphere from human activities is sufficient to justify a concerted, sustained effort to curb, and eventually deeply cut, such emissions.

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Read analysis of candidates' positions on the environment: