US president George W. Bush has said a long-term goal for reducing greenhouse gas emissions is needed, but some have questioned whether Washington's apparent u-turn on the environment is just a public-relations exercise aimed at derailing current efforts to secure a climate deal under the UN and G8 umbrella.
"Science has deepened our understanding of climate change and opened new possibilities for confronting it," president Bush announced on Thursday (31 May), the Financial Times repor...
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