In one year the programme would save 12, 500 DALYs and 0.1-0.2 megatonnes of carbon dioxide equivalent for every million people.

根据这一项目负责人保罗·威尔金森的数据，仅仅一年时间，这一项目就节约了12500DALYs，并使每百万人的碳排放量下降了0.102兆吨。

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Nasa estimates that if Apophis were to hit Earth, it would explode with as much energy as 400 megatonnes of TNT.

BBC: Foresight mission spacecraft Image

In Scotland, soils such as peat store more than 3, 000 megatonnes of carbon posing a potential threat to the environment, SNH reported in 2010.

BBC: Peat land on Lewis

After climbing relentlessly to reach 781 megatonnes last year, Canada's emissions of gases linked to climate change will start to fall within three years, he promised.

ECONOMIST: Trying again on emissions policy