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Referring to the surrounding ecosystem of the planet Earth, its natural mechanisms and balances, and study of the effects of human interaction with it.

68 votes
Accepted

Is there an increase in whale deaths due to windfarms?

We will also continue to explore how sound, vessel, and other human activities in the marine environment impact whales and other marine mammals. …
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17 votes
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Do car tires create more pollution than exhaust fumes?

It does not claim all tire emissions are worse for the environment than all exhaust fumes. The ratio is so high, in part, because tailpipe emissions have gotten so low. … It does not claim all tire emissions are worse for the environment than all exhaust fumes. The ratio is high, in part, because tailpipe emissions are so low. …
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38 votes
Accepted

Do windmills in freezing climates require power so they don't seize up?

Yes, but it's a small fraction of what they produce. Wind turbines need measures to deal with cold and ice. Heating is one of them. Canada address the problem in Wind Energy in Cold Climates. Based o …
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7 votes

Feasibility of electric car production given current production levels of various elements a...

a goal of 20M/year production by 2030. The chart is trying to use 2019 material production numbers as a surrogate for 2030 material production after a large increase in EV production. For this to be …
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