by Tomo » Jul 4th, '06, 16:11
Whatever the original cause, no one, not even that idiot Bush, can deny that the ice caps are melting and the oceans are rising and getting bigger. Being white, ice reflects infra red radiation (heat, in other words) back into space. The ocean is dark and absorbs heat. bigger ocean surface area means more trapped heat and faster melting in turn. The process is accelerating, in other words. We're in trouble, big style.
Polar bears are moving south to find food and coming into deadly contact with high-fat fast food and people. Foreign species are invading Antarctica according to this week's New Scientist, because it's now warm enough for them.
The warming oceans are also beginning play merry hell with oceanic processes that we rely on to make life bearable without massive amounts of extra energy. The Atlantic Conveyer (the Gulf Stream) that keeps the Western seaboard of Europe relatively mild is failing. Hurricanes are getting stronger, more frequent and moving further north. New York is expected to flood to the tune of 200 square km, displacing a million people. Whatever natural fluctuations there are, we've helped to overcook things by pumping out greenhouse gasses that started the melting.
This is the only planet that exists within the "Goldilocks zone" that exists roughly 93 million miles from Sol - that is, not too hot, not too cold. Mars? No atmosphere and too cold. Venus? Too hot and has an atmosphere of sulphuric acid. The Moon? Too small to hold a natural atmosphere. Giant space arks? Give me a break. We're stuck here.
Funny thng is, when we're gone, the planet itself will go on without us, and in time will forget we were ever even here.
