Posted: Mon Oct 08, 2018 8:03 am Post subject: The other side of wind power
Warming effects from the increased use of wind power could be significant. by Christine Middleton
Renewable energy sources reduce our dependence on fossil fuels and help curtail the emission of greenhouse gases. But they are not all beyond reproach when it comes to climate change: The widespread use of those technologies can have negative impacts on the environment.
When wind turbines are used to harvest energy, they change the air flow in the atmosphere near Earth’s surface. That change, in turn, reduces wind speeds, which affect the exchange of heat and moisture between the air and the ground. And the turbines’ influence is not limited to their immediate area: The effects can be detected hundreds of kilometers away...
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