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The Science Vote: Linking energy to greenhouse risks

Science and technology have not played out as major presidential campaign issues this year. And following Sen. John McCain’s unexpected announcement that Alaska Gov. Sarah Palin would be his running mate, even foreign policy and major energy issues have been relegated to the back seat as the media feverishly probe the views, background and administrative history of Palin — a newcomer on the national scene.

But B.P. — before Palin — a diverse body of video clips, Internet-posted position statements and campaign remarks by McCain and Sen. Barack Obama had already emerged, and some did touch on S&T issues. Most focused on energy or the climate and shared common themes.

For instance, both candidates have described an urgent need to wean Americans from fossil fuels. An escalating risk of catastrophic climate change is one reason, but hardly the only one, the candidates give for their concern.

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