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Phoenix THE struggle to slow global warming will be won or lost in cities, which emit 80 percent of the world's greenhouse gases. So ''greening'' the city is all the rage now. But if policy makers end up focusing only on those who can afford the low-carbon technologies associated with the new environmental conscientiousness, the movement for sustainability may end up exacerbating climate change rather than ameliorating it. [ABSTRACT FROM AUTHOR]

It seemed that every chance he got, President Bush ignored or flat out refused to address the problem of climate change. So we were greatly encouraged by President Obama's swift announcement that he is likely to approve California's request to regulate greenhouse gases from vehicles -- a request the Bush administration denied. The logical next step would be for Mr. Obama to quickly address the Supreme Court's 2007 decision ordering the Environmental Protection Agency to examine the effects of greenhouse gases and to regulate them if necessary. Mr. Bush dodged that one, too. [ABSTRACT FROM PUBLISHER]

Discusses the climate policy of United States President George W. Bush. Reference to a U.S. statement on climate change issued in 1989, which asserted the urgency of reducing carbon dioxide emissions; Refusal of Bush to accept the Kyoto Protocol, an international treaty on climate change; View of Bush that there is no conclusive scientific proof to support mandatory emissions reductions; Details of Bush's climate plan, which many scientists view as risky in light of the threat of global warming.