Global Warming- It's Now, It's Happening, It's Time
Global Warming- It's Now, It's Happening
, It's Time
Global Warming is rated as the most important 21st century issue in the world followed by fresh water scarcity. We all know that Global Warming is an enormous threat, but how many of us actually know what it is, how is it caused, how could it put off a possible periodic ice age and what countries are actually going to be hurt most.
In a lay man's tongue Global Warming is the increase in the average temperature of the Earth's near surface air and oceans since the mid 20th century and its projected increase over the years. 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. This would seem to mean nothing. One asks, "How could one degree more or less affect anyone or anything." In terms of that "anyone", the effect of a one-degree difference in ambient temperature will probably go unnoticed. Our bodies are designed to adjust to a huge range of climatic conditions. No one of us will notice that today it is 71 degrees outside and fifty years ago it would have been 70. The human body will adjust and adapt even if the average temperature globally were to increase by ten degrees. Chances are we would set off a huge oblivious migration to more temperate areas. But that little one-degree change manages to set out of kilter an incredible array of environmental forces.
The main causes for global warming are human actions, mainly the discharge of green house gases like carbon dioxide, methane, nitrous oxide, etc into the atmosphere from smokestacks, vehicles, burning forests, fossil fuels, firewood, etc which are perhaps the leading power driving the fashion. The gases append to the planet's normal greenhouse effect, permitting sunlight in, but stopping some of the ensuing heat from radiating back to space which in turn results in increasing the average temperature.
Although human-caused global warming is potentially leading the world into ecological catastrophe, it may also be sparing us from one of the Earth's periodic ice ages, some researchers say. As a matter of scientific curiosity, it's worth noting that "increased glaciations would probably be happening today" if humans weren't here, said John Kutzbach, a climate modeler at the University of Wisconsin-Madison.
By 2030, the number of climate-related diseases is likely to more than double, with a dramatic increase in heat-related deaths caused by heart failure, respiratory disorders, the spread of infectious diseases and malnutrition from crop failures thanks to global warming.
The developing countries will be the ones most hurt by Global Warming. The number of people at risk of flooding by coastal storm surges is projected to increase from the current 75 million to 200 million by 2080, when sea levels may have risen by 40 centimeters. A separate study of how rising temperatures will affect water supplies found that severe shortages were likely to affect up to a sixth of the world's population who currently rely on melting snow and glacial "fossil" ice. Parts of China and India, where vast populations rely on melting ice from the Himalayas for their supply of drinking water, are highly vulnerable to global warming. People living west of the Andes are also likely to suffer from a dwindling water supply once the glaciers have disappeared. Peru had already suffered a 25 per cent reduction in water supplies over the past 30 years. It's especially clear that regions in Asia and South America are headed for a water-supply crisis because once that fossil water has gone, it's gone.
All in all we are heading towards a crisis which calls for management of almost everything, every action, every move, which affects the environment. We have to do our bit and bit by bit we can make a difference because every drop makes a mighty ocean so even something like sorting your garbage into biodegradable and non biodegradable, recycling cans (did you know every can you recycle you save electricity to power a television for more than 3 hours!), paper, bottles, reusing containers, reducing waste, walking or riding a bike to nearby places, turning off lights when you don't need electric appliances and the water tap when not needed, Reducing your carbon and greenhouse gas emissions will not only make your personal living space more sustainable but it will also save you money in both the short- and long-term, most importantly Get educated. Educate yourself about global warming. The more facts that you have, as to what mainstream science says about Global Warming, the more you can persuade others to make simple yet effective changes in daily behavior.
--Ayush Khattar
ayushkhattar@aol.com
http://wakeuparticles.blogspot.com/
References
http://www.wikihow.com/Take-Action-to-Reduce-Global-Warming
http://en.wikipedia.org/wiki/Global_warming
http://globalwarming.com/
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