Hace unos 100 años atrás, las personas a lo largo de todo el mundo comenzaron a quemar más carbón y aceite para sus hogares, fábricas, y medios de transporte. La quema de estos combustibles fósiles lanzan dióxido de carbono y otros gases de efecto invernadero en la atmósfera. These added greenhouse gases have caused the Earth to warm more rapidly than in the past.
effects of climate change currently occurring.
* sea level rise : During the twentieth century, sea \u200b\u200blevel has risen about 15 cm. due to melting glacier ice and expansion of warmer seawater .
Ø * The Arctic sea ice is melting . The thickness of sea ice in summer is about half what it was in 1950, the ice melts increases warming.
Ø * Increased temperatures the surface of the sea, has caused the death of marine animals.
Ø * Higher temperatures cause higher rates of evaporation and more drought in some areas of the world.
* As temperatures warm, some species deberán migrar hacia lugares más fríos, hacia un ecosistema ideal, de lo contario morirán.
¡¡¡¡¡¡Para reflexionar acerca de este tema te invitamos a ver el siguiente video!!!!! http://www.youtube.com/watch?v=r-eabOX_fsI&feature=player_embedded #
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