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英文原稿
The heat in 2016 broke the historic record set in 2015, which broke the one from 2014. Weather stations, buoys, ships and satellites have documented a clear warming trend.
It is neither El Nino, nor Sun’s output nor volcanic eruptions that triggered the 50 years warming trend. It is the human-emitted greenhouse gases that trap heat at Earth’s surface. Ice is melting fast; weather is getting intense; wildlife is already hurting.
But there are good news: renewables, such as wind and solar, soon may be cheaper sources of electricity than fossil fuels, such as coal and natural gas. This will make the switch form fossil fuels more easily. In 2015, renewables accounted for more than half the new generating capacity worldwide.
Every energy-saving building, retired gas-guzzler, and acre of preserved forest helps.
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