Tuesday, May 25, 2010

Global Warming II

Global warming is the part of science that most fascinate and interest me. Everyone would be affected by it one way or another. On my LA blog, I posted an article on what contributes and the results of sea level rise, a result of global warming. Sea level rise is just one of the many results of global warming. I would be writing from my own knowledge from the documentaries I watched on History, Discovery and National Geographic channel.
Everyone know the importance of preventing global warming, but not everyone knows the effects and causes of it. Nations take part in activities like “Earth Hour” to make the nations and its citizens to be aware of global warming. When nature fights back, nature always wins. When the light produced through nuclear fusion from the sun finally breaks out form the photosphere, the surface of the sun, it takes an estimated 8minute and 19 second journey to reach our earth. That’s when the magic happens. The Earth radiates the radiant energy back into space but greenhouse gasses traps some of it and keeping it in our atmosphere. Its like a blanket covering you, which already feels very hot. Greenhouse gasses are not totally bad for us. A certain amount of greenhouse gasses is needed to keep our earth warm. There is a delicate balance between too much and too little greenhouse gasses which both ways would cause significant catastrophe.
Greenhouse gasses are mostly produced now not by nature, but our own actions. Our cars produce the most famous greenhouse gas, carbon dioxide, or CO2. Coal powered factories and electricity generators which produces the most deadly greenhouse gas, methane, or CH4.these gasses traps the radiant energy from the sun and trigger a chain of deadly events.
Everyone knows that the heat would melt the glacial ice on the icecaps, most severely on the Greenland icecaps. Another more common fact is that ice is the best natural reflector of radiant energy, but when it melts, it becomes the best natural absorber of radiant energy, and would raise our global temperatures further more.
Another factor is that the melting permafrost, frozen soil and ice, would melt, exposing the not yet decomposed and preserved organic matter, which would rot and produce CH4 and CO2. The current CH4 levels that are produced by this event is a staggering 2% of all CH4 emissions. Scientists predict that if all the permafrost melts, global temperatures would skyrocket. Melting permafrost are causing building collapse all over the world.
Nowadays, technology is doing everything to prevent global warming. The inventors would always invent more sustainable energy sources, more efficient engines, more green materials, and reinventing everything to make them leave lesser carbon footprint. Hybrid cars, wind turbines, solar panels, geothermal energy might sound far fetched, but it would become a routine in the future. Although the chaotic and apocalyptic probability that our earth might enter a point of no return and change life as we know it, but it would remain only as a probability.

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