Word: carbonization
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...health care, abortion rights. But on the environment, it can appear that there's not much difference between the candidates. McCain has strong bona fides on climate change: he became convinced of its dangers well before many of his Senate colleagues, and is on the record for supporting a carbon cap-and-trade system. (He has wavered a bit in recent weeks.) Obama holds many of the same positions, though he does favor generally tougher measures. So, if the environment is your top concern, does it matter who gets your vote in November...
...energy through photosynthesis - not to mention the vivid colors we associate with coral reefs. When corals are stressed by rising temperatures, the algae are expelled by the coral, turning the reefs bone white. That's a "bleaching event," and bleached coral are left weakened and defenseless against disease. Increased carbon dioxide concentrations in the atmosphere also lead to more acidic seas, which impairs the ability of corals to form their skeletal reefs. (In acidic water, the reefs simply dissolve.) "Corals appear to be particularly sensitive to the buildup of CO2," says Kent Carpenter, the lead author of the Science study...
...University of Miami's renowned coastal geologist Harold Wanless. The Intergovernmental Panel on Climate Change had predicted a sea-level rise of up to 2 ft. by 2100, but Wanless meticulously explained why 3 ft. to 4 ft. is much more likely - assuming the world can slash carbon emissions enough to slow global warming. I live in Miami Beach, so I didn't care for his PowerPoint slide showing much of Miami Beach under water. "That's if we get our act together," he said. Then he showed a slide of all Miami Beach submerged. "That...
...town of Toyako, President George W. Bush proudly presented a pledge by the group's eight member nations to cut global greenhouse-gas emissions at least 50% by 2050. For a President who came into office publicly doubting climate change and has repeatedly refused to set specific limits on carbon emissions, the G-8 statement was a personal step forward...
Unfortunately for the rest of us, this year's G-8 summit?which marked the first time that leaders of the world's 16 biggest carbon emitters have sat down to talk about climate change?will be remembered as a lost opportunity. First of all, the 2050 pledge doesn't specify a baseline year. European leaders want to bring emissions down to 50% of 1990 levels, but host nation Japan seemed to indicate that it would be happy to use present-day levels. The difference in actual reductions would be enormous. So what appears to be a firm numerical target...