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Results tagged with environment
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user 3790
Referring to the surrounding ecosystem of the planet Earth, its natural mechanisms and balances, and study of the effects of human interaction with it.
10
votes
Does a car with a hybrid engine and Lithium batteries pollute more than a car with conventio...
Even if you'd disregard how much pollution is created while making batteries, just the fuel efficiency of hybrid cars is actually much worse than that of modern eco-turbodiesel. Especially VolksWagen' …
- 26.8k
17
votes
Is public transport less fuel-efficient than cars?
First of all, public transport is not just buses. In fact buses are the least efficient. Metro (aka subway) and electric trains and trams (streetcars) are more efficient and can use green power. For e …
- 26.8k
11
votes
Accepted
Is global warming irreversible?
There isn't much scientific controversy about geoengineering by injecting SO2 into stratosphere being effective in stopping (or even reversing) global warming. However, the opponents of geoengineering …
- 26.8k
30
votes
Can we grow enough crops to feed all people on Earth?
The question is invalid, as we already produce way more than enough food. There is no more "world hunger" problem due insufficient food production. Currently much greater problem is an epidemic of obe …
- 26.8k