As winter descends on Mars' southern hemisphere, forming tell-tail frost in the lengthening shadows, the opposite is true in the northern hemisphere -- spring has sprung and the northernmost dunes are beginning to thaw.
When discussing man-made climate change (or anthropogenic global warming), I often drift into unfamiliar (and sometimes disturbing) territory. That territory is what I call The Land of the Afraid, Ignorant and Lost. In this weird alternative dimension there are doomsayers who are convinced the worl...
As a follow-up to the excellent Wonders of the Universe app released by Harper Collins, Fragile Earth brings us from the farthest reaches of the Universe back to our own beautiful blue world.
We may be able to convert almost any planet into a safe, comfortable place for humans to live.
We are beginning to see the effects of the wholesale abuse of our planet first-hand. We all know the polar ice caps are melting, that huge landmasses are turning into dust bowls and various species of animals are popping out of existence, but the general response to this slow-moving train wreck of ...
When the sun enters solar minimum, its brightness decreases slightly. If this reduction of energy continued for an extended period of time, could it counteract global warming? Don't bet on it.
If there was a "fun size" nuclear war, how would the climate react?
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