Global Warming is defined as the increase of the average temperature on Earth. As the Earth is getting hotter, disasters like hurricanes, droughts and floods are getting more frequent. But it is not only about how much the Earth is warming, it is also about how fast it is warming. There have always been natural climate changes – Ice Ages and the warm intermediate times between them.
Global Warming as a chain of events:1.
Permafrost: Currently the measured effect of global warming as caused by the greenhouse effect on the planet overall is approximately a 1 degree Celsius increase over the last 50 years. that one-degree of heat made you take off a sweater, segments of the Earth known as permafrost began a meltdown. Permafrost is a condition whereby sections of the Earth’s surface have remained at a temperature below freezing (0 degrees Celsius) for at least two years.
2.
Tundra: Tundra describes the soil above permafrost that is frozen for most of the calendar year but thaws for allowance of small amounts of vegetation growth. Areas of Tundra throughout the world serve as sinks for absorption of massive amounts of Carbon.
3.
Polar meltdown: The Next is the warming of our polar caps and oceans. An increase in overall temperature for the troposphere allows that segment of the atmosphere to absorb more water vapor. A 1% increase in water vapor is a huge increase to the overall amount of greenhouse emissions.
4.
Ocean Temperature and Positive Feedback: Our oceans digest most of the carbon footprint needing to be absorbed into our ecosystem. Currently greenhouse gas emissions from production of energy and internal combustion engines results in a 36% increase in carbon dioxide over that which the planets normal balance can support. The CO2 then slightly raises the Earth’s temperature resulting in an endlessly looping progression. This situation and scenario is known as positive feedback and this is the real danger inherent as global warming.
5.
Environmental cause: Not all of global warming is the result of greenhouse gases and the ensuing greenhouse effect. As the population of the earth has increased mankind has brought civilization which includes buildings, highways, land cleared for agriculture, cities built where once stood deserts. Almost everything that we build absorbs more heat than its natural predecessor. It doesn’t mean that we tear down all of our houses to plant a forest of trees and carve up the superhighways and replace them with lovely green meadows. What we do need is an awareness of our situation. We need to realize that every move we make as a result of industrialization has a corresponding consequence.
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