Earth at Warmest point in 12,000 years
Just came across an article that caught my attention and has me worried. A study from NASA shows that the earth is increasingly getting warmer and it is at its warmest in the past 12,000 years. NASA warns of environmental changes that could become “dangerous” if it continues.
According to NASA’s 1980 global warming simulations the study shows; based on greenhouse gas increase, the warming trend for the past 30 years has been 0.2 degrees for every 10 years.
The more drastic temperature changes can be found in the northern hemisphere. This is a result from a natural process known as positive feedback. This process is achieved by melting snow and ice at higher latitudes, which uncovers darker surfaces that absorb more sunlight.
The study concludes, if the temperature increases the earth’s sea level would change and exterminate species.
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Written by steve on September 28th, 2006 with
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