Sentences with phrase «means runaway warming»

Positive feedback means runaway warming «One of the oft - cited predictions of potential warming is that a doubling of atmospheric carbon dioxide levels from pre-industrial levels — from 280 to 560 parts per million — would alone cause average global temperature to increase by about 1.2 °C.

Not exact matches

One of the things that people (particularly from an engineering background) have trouble with is the idea that the feedback from a small amount of warming can give rise to a much larger amount of warming, and this seems, from an «enginering perspective» on the meaning of «feedback», to result in an uncontrolled «runaway» response.
That doesn't mean that we shouldn't reduce our dependence on fossil fuels as soon as possible, be it more for geopolitical reasons and pollution reduction than for fear for a runaway warming...
Actually, by now hopefully it's apparent that I interpreted the question to mean «runaway warming» (ala Venus).
A «runaway greenhouse effect» occurs when something warms the planet, triggering positive feedbacks which warm it further; however, even this does not mean the planet continues warming infinitely, forever.
The runaway greenhouse effect has several meanings ranging from, at the low end, global warming sufficient to induce out - of - control amplifying feedbacks, such as ice sheet disintegration and melting of methane hydrates, to, at the high end, a Venus - like hothouse with crustal carbon baked into the atmosphere and a surface temperature of several hundred degrees, a climate state from which there is no escape.
That means there would be runaway warming there if heat from the deep tropics couldn't be exported to higher latitudes.
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