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Questions tagged [environment]

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

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1answer
662 views

How much daylight does daylight-saving save? [duplicate]

Possible Duplicate: What are the scientifically established effects of Daylight Saving Time? If we did not have daylight-saving, then would the days still be longer in the summer? If not, then ...
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3answers
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Why do we not have vehicles that meet or exceed the MPG ratings of vehicles that were available in the 1990s

I'm seeing some conspiracy theories making the rounds which claim that car-manufacturers are intentionally making cars that aren't as fuel efficient as they used to be. They often point to the Geo ...
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7answers
4k views

Is cancer a man-made disease?

Not too long ago a story about a study examining mummies for the prevalence of cancer caused a flurry of articles in the media claiming that cancer is a man-made disease. The researchers claim that ...
102
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3answers
42k views

Do coal plants release more radiation than nuclear power plants?

As a response to the disaster at the Fukushima nuclear power plant I've heard the claim that fossil-fuel power plants using coal release more radiation than a nuclear power plant. I searched for some ...
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2answers
2k views

Insects as food: Is it feasible for humans to replace traditional “livestock” meat with insects?

I have heard of some benefits of insects as food, but are there any drawbacks? I've never heard of a human culture whose primary protein intake came exclusively from insects. Would someone ...
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4answers
6k views

Can we grow enough crops to feed all people on Earth?

Vegetarianism is heavily promoted. But let's say all people on Earth stop eating animal products. Can we grow enough crops so all people on the Earth are provided with enough healthy, nutritious food? ...
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3answers
8k views

Does a car with a hybrid engine and Lithium batteries pollute more than a car with conventional technology?

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 ...