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- 2011-4-8
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1:45 1:21 1:07 1:03 1:00
越障 7:30 geoengineering 有没有拼错。。 1. bump 1 km sulfate particles into the strasphere to cool the weather down. the method is an imitation of volcano eruption. in philiphin, a vocano shot 20 km? sulfate particles into the air, cooling the weather down by 0.5 celsis degree for over 18 month. 2. ballon-and-hose is the most cost efficiency method we have, compared to billions of money we need to send aircraft to the high altitude. 3. some organizations and authorities think that the research would cause cllimate change, and drought. researchers say the sulfate cloud would cool down the hot summer in Asia. 4. organizations in Canada is calling stop on field research, becuase it violent international agreement and it will cuase climate change. however, researcher says that the effect is small, and we should start to test early and dig deeper to stop global warming, not to wait until the ice falling down. 5. we have to reduce 80% of CO2 emission by the end of the century. geo-eninerring should not be treated as an excuse to human's action to global warming; it should be only used as an emergency tool. |
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