Very simply, this is any change, positive or negative, to land, ecosystems, and human health as a result of any action. Can a butterfly set off a hurricane? Probably not-but even the small, seemingly inconsequential acts of humans can have an impact on the environment.
A clean, powerful energy source, right above our heads. It's power that is harnessed from sunlight in the form of radiant energy and converted into electricity. Solar electricity is a renewable energy source-it won't run out for at least a few million years-and it can power everything and anything electric. The more electricity we get from the sun, the less that must be generated by burning fossil fuels.
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