global warming trab xana julia
TRANSCRIPT
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Escola Secundária João de Deus
School Year 2009/2010
Julia Vickers/Marei Xana 11th form
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► Global warming is the increase in the average temperature of the Earth.
“19 of the 20 hottest years were since 1980”
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There are more hurricanes, tornados, earthquakes, and floods.
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“If the Greenland ice sheet melts completely, it will add enough water to raise sea levels all across the world by 6.4 m”
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Extinction of marine flora and fauna
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Polar Bears
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“Within 50 years one third of all land based animals will face extinction.”
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Iberian Lynx
“The Iberian lynx has fewer than 150 individuals in the wild.”
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Giant Pandas
“Fewer than 1,000 remain in their native habitat of China.”
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Tigers
“Less than 6,000 tigers remain in the wild.”
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◦ Invasive species
◦ Habitat destruction
◦ Over-harvesting
◦ Pollution
◦ Human overpopulation
“In 2 weeks, Americans throw enough glass bottles and jars out to fill the New York Trade Center’s twin towers.”
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Deforestation
“Every two seconds, a forest area the size of a football field is destroyed.”
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