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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.

3 votes
0 answers
293 views

Does a dog have a larger carbon footprint than a SUV? [duplicate]

In his song, The Fence, Tim Minchin makes the claim that dogs have a larger carbon footprint than a four-wheel drive. YouTube video of The Fence Is this actually the case?
Russell Steen's user avatar
89 votes
3 answers
10k views

Does a car with a hybrid engine and Lithium batteries pollute more than a car with conventio...

You hear a lot of claims that, once you include manufacturing and battery replacement, hybrids pollute more than an efficient, more conventional engine. Are there any end-to-end studies measuring any …
Russell Steen's user avatar