Global Warming Essay

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Submitted By carolocaaa
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Un problema mundial

Este fenómeno natural que permite la vida en la tierra, es causado por una serie de gases que se encuentran en la atmosfera, provocando que parte del calor del sol que nuestro planeta refleja quede atrapado manteniendo la temperatura media global así durante muchos millones de años el efecto invernadero natural mantuvo el clima de la tierra a una temperatura media relativamente estable y permitía que se desarrollase la vida. La capa de ozono está constituida por una serie de gases que filtran los rayos ultravioleta y el calor, a fin de que llegue a la tierra la temperatura necesaria para mantener las condiciones vitales tanto para plantas como animales. De esa cuenta, las plantas procesan la energía solar, convirtiéndola en fuente de alimento para los animales que las consumen o se alimentan con materia orgánica de la tierra. ¿Qué es lo que hace que la energía del Sol no pueda escapar de la atmósfera de un paneta? A diferencia de un invernadero los planetas no tienen una capa de vidrio sobre ellos. En cambio, la atmósfera tiene moléculas conocidas como gases de invernadero, que absorben el calor. Los gases de invernadero incluyen vapor, metano, ozono, óxido nitroso, y dióxido de carbono. El efecto invernadero se está viendo acentuado por la emisión de ciertos gases debidos a la actividad humana, como el dióxido de carbono y el metano, que está produciendo un calentamiento en la Tierra. Hay un consenso prácticamente unánime en la comunidad científica sobre que este calentamiento se está produciendo por esta causa. Las concentraciones de gases en la atmosfera están creciendo rápidamente, como consecuencia de que el mundo quema cantidades cada vez mayores de combustibles fósiles y destruye los bosques que podrían absorber dióxido de carbono y favorecer el equilibrio de la temperatura. Causas del calentamiento global: El clima…...

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