Global warming trab xana julia
Transcript of Global warming trab xana julia
Escola Secundária João de Deus
School Year 2009/2010
Julia Vickers/Marei Xana 11th form
► Global warming is the increase in the average temperature of the Earth.
“19 of the 20 hottest years were since 1980”
There are more hurricanes, tornados, earthquakes, and floods.
“If the Greenland ice sheet melts completely, it will add enough water to raise sea levels all across the world by 6.4 m”
Extinction of marine flora and fauna
Polar Bears
“Within 50 years one third of all land based animals will face extinction.”
Iberian Lynx
“The Iberian lynx has fewer than 150 individuals in the wild.”
Giant Pandas
“Fewer than 1,000 remain in their native habitat of China.”
Tigers
“Less than 6,000 tigers remain in the wild.”
◦ 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.”
Deforestation
“Every two seconds, a forest area the size of a football field is destroyed.”