And so, when you think about how much cement concrete are consumed annually on the planet, this becomes a considerable point source of greenhouse gas emissions.
当你想到，在地球上每年要消耗多少的水泥混凝土的时候，这将是温室气体排放的，一个主要来源。
Regulatory agencies in both the us and Europe are tightening controls on fugitive emissions, such as equipment leaks, as opposed to point-source emissions from reactor vents or boiler exhaust stacks.
美国和欧洲监管机构正在加紧对过度排放的控制，例如设施泄漏，监控反应堆通风口及锅炉点源排放的废气。
Regulatory agencies in both the us and Europe are tightening controls on fugitive emissions, such as equipment leaks, as opposed to point-source emissions from reactor vents or boiler exhaust stacks.
美国和欧洲监管机构正在加紧对过度排放的控制，例如设施泄漏，监控反应堆通风口及锅炉点源排放的废气。
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