>Global warming: the final warning
>IPCC報告 (インデペンデント紙、2007年2月3日付)
>Global warming: the final warning
>Saturday, 03 February 2007
>According to yesterday's UN report, the world will be a much hotter place
>by 2100.
>This will be the impact ...
>02/03/07 "The Independent" -- --
>+2.4°: Coral reefs almost extinct
>In North America, a new dust-bowl brings deserts to life in the high
>plains states,
>centred on Nebraska, but also wipes out agriculture and
>cattle ranching as sand dunes appear across five US states, from Texas in
>the south
>to Montana in the north.
>Rising sea levels accelerate as the Greenland ice sheet tips into irreversible
>melt, submerging atoll nations and low-lying deltas. In Peru, disappearing
>glaciers mean 10 million people face water shortages. Warming seas wipe out the
>Great Barrier Reef and make coral reefs virtually extinct throughout the
>Worldwide, a third of all species on the planet face extinction
>+3.4°: Rainforest turns to desert
>The Amazonian rainforest burns in a firestorm of catastrophic ferocity,
>South America with ash and smoke. Once the smoke clears, the interior of
>Brazil has
>become desert, and huge amounts of extra carbon have entered the atmosphere,
>further boosting global warming. The entire Arctic ice-cap disappears in
>the summer
>months, leaving the North Pole ice-free for the first time in 3 million years.
>Polar bears, walruses and ringed seals all go extinct. Water supplies run
>short in
>California as the Sierra Nevada snowpack melts away. Tens of millions are
>as the Kalahari desert expands across southern Africa
>+4.4°: Melting ice caps displace millions
>Rapidly-rising temperatures in the Arctic put Siberian permafrost in the
>melt zone,
>releasing vast quantities of methane and CO2. Global temperatures keep on
>rapidly in consequence. Melting ice-caps and sea level rises displace more
>than 100
>million people, particularly in Bangladesh, the Nile Delta and Shanghai.
>and drought make much of the sub-tropics uninhabitable: large-scale
>migration even
>takes place within Europe, where deserts are growing in southern Spain,
>Italy and
>Greece. More than half of wild species are wiped out, in the worst mass
>since the end of the dinosaurs. Agriculture collapses in Australia
>+5.4°: Sea levels rise by five metres
>The West Antarctic ice sheet breaks up, eventually adding another five
>metres to
>global sea levels. If these temperatures are sustained, the entire planet will
>become ice-free, and sea levels will be 70 metres higher than today. South
>society collapses due to the disappearance of glaciers in the Himalayas,
>drying up
>the Indus river, while in east India and Bangladesh, monsoon floods threaten
>millions. Super-El Ninyoos spark global weather chaos. Most of humanity
>begins to
>seek refuge away from higher temperatures closer to the poles. Tens of
>millions of
>refugees force their way into Scandanavia and the British Isles. World food
>supplies run out
>+6.4°: Most of life is exterminated
>Warming seas lead to the possible release of methane hydrates trapped in
>sub-oceanic sediments: methane fireballs tear across the sky, causing further
>warming. The oceans lose their oxygen and turn stagnant, releasing poisonous
>hydrogen sulphide gas and destroying the ozone layer. Deserts extend
>almost to the
>Arctic. "Hypercanes" (hurricanes of unimaginable ferocity) circumnavigate the
>globe, causing flash floods which strip the land of soil. Humanity reduced
>to a few
>survivors eking out a living in polar refuges. Most of life on Earth has been
>snuffed out, as temperatures rise higher than for hundreds of millions of



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