Word: pathe
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...have lost their signature green and are instead a sickly pink; pine beetles in western Canada and the U.S. are chewing their way through tens of millions of acres of forest, thanks to warmer winters. The beetles may even breach the once insurmountable Rocky Mountain divide, opening up a path into the rich timbering lands of the American Southeast...
...Alaska, salmon populations are at risk as melting permafrost pours mud into rivers, burying the gravel the fish need for spawning. Small animals such as bushy-tailed wood rats, alpine chipmunks and piņon mice are being chased upslope by rising temperatures, following the path of the fleeing trees. And with sea ice vanishing, polar bears--prodigious swimmers but not inexhaustible ones--are starting to turn up drowned. "There will be no polar ice by 2060," says Larry Schweiger, president of the National Wildlife Federation. "Somewhere along that path, the polar bear drops...
...energy means carbon, and China's booming economy puts it on a path to become the world's No. 1 greenhouse-gas emitter as early as 2020. Li knows that China needs clean energy as badly as the developed world needs China to clean up, which is why he joined the Tsinghua-BP Clean Energy Research and Education Center as director when it opened in July 2003. The center's most promising project is a new technology called polygeneration, by which coal is converted into a cleaner gaseous fuel that can both generate electricity and be processed into a petroleum...
...knowledge but not the capacity to make weapons. Some experts say that if Iran's enrichment facilities became fully operational, they could churn out enough material to construct two bombs a year. John Negroponte, Director of National Intelligence, said recently that "Iran, if it continues on its current path, will likely have the capability to produce a nuclear weapon within the next decade." What is already worrisome is that once Iran has the fissile material to make a bomb, it would have ready ways to threaten to use it. In 2004 Iran unveiled the Shahab-3 missile, with a range...
...probably adapt to. In order to limit change to that level we need to get on a track that I call the alternative scenario, which requires that we begin to slow emissions this decade and substantially reduce them before mid- century. If we stay on a business-as-usual path for another decade, the alternative scenario becomes impractical if not impossible...