Word: emits
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Dates: during 2000-2009
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Natsource trades not only standard commodities like coal and natural gas but also a new currency known as greenhouse-gas credits. These credits represent, in effect, the right to emit a certain amount of carbon dioxide, methane or other gases thought to contribute to global warming. Such credits trade in earnest in nations like Britain and Denmark, which have capped emissions from such sources as factories and power plants. And the credits are trading on an experimental basis in the U.S., as industries anticipate the eventual imposition of similar emission limits here...
...approach to locating planets, called the transit technique, depends upon observing changes in the level of brightness of light that distant stars emit...
Sandel questioned the morality of emissions trading, a system of trading entitlement for different nations to emit greenhouse gases...
SOUTH AFRICA Baby Steps Toward Tomorrow The earth summit in Johannesburg ended on an unexpected upbeat note for the Green lobby. Russia and Canada announced they will seek to ratify the Kyoto Protocol on global warming. Their decision means the treaty, including its system of trading rights to emit carbon, should now be able to take effect. Other achievements of the summit included an agreement on water and sanitation. Governments pledged to halve the number of people (about 1.1 billion) lacking clean water and basic sanitation by 2015. Delegates also agreed that international trade deals will no longer be able...
...warming is to encourage companies to cut greenhouse-gas pollution by making it profitable for them to do so. The trick, contends the economist, who was a pioneer in the development of financial futures contracts at the Chicago Board of Trade, is to create a market in permits to emit greenhouse gases. "The power of the free market is that it can restore nature's wealth as it increases financial wealth," Sandor says. Just how much wealth? He estimates that a global market in greenhouse gases--released with the burning of oil, coal and other fossil fuels--could amount...