Tuesday, June 29, 2010

Rain Water Harvesting – A Step towards Survival

Today I googled for Rain water harvesting and found so many results and steps depicted in so many sites. As we all know this is an effective step regarding Global Warming and its catastrophic effects.
Some of the reports are based on a survey which contains what’s happening to Mother Earth with the destruction of the rainforests, pollution and the well known airborne chemicals that are responsible for the larger holes in the ozone layer. It is not only the threat of ultra-violet radiation which is the main cause of concern but also the disruption to the winds around the tropics that are causing adverse weather patterns. This brings floods and drought to our habitat. Added to this, Mother Earth cannot sufficiently cool down as the rains are not absorbed in the forests, which are now barren dust bowls. Her cooling system is on the blink, and the engineers who can fix it (thats us.) choose to ignore her cries.

As the surface temperature gradually rises, polar ice caps melt causing higher sea levels. But a deeper and darker side awaits us. The molten centre of the Earth (the molten magma) cannot release its heat. Slowly the magma is shifting and causes the Earth to tilt. A consequence of this is more volcanoes will erupt. At present the Earth's tilt in axis of rotation has changed 3 degrees, from 23.5 degrees to 26.5 degrees. It must not reach 28.5 degrees! If it does, it means that if we haven't started replanting the trees by 2012, with the Earth rebalancing itself, we will suffer disastrous earthquakes, floods and famine and massive extinction of Nature and its animals. As temperatures rise in the next 20 years, Mother Earth will become inhabitable and when a comet passes in 2042, the inside of the Earth will be pulled out!
So are you feeling now that something wrong going on with our Mother Nature? So choose one the most recommended step for the rain season.
That is Rain Water Harvesting.
Invent some good steps following which we can save some rain water and help the movement towards the survival of human society.

Thursday, May 13, 2010

About our Jungles – Tropical Rainforests


Rainforests are forests characterized by high rainfall, with definitions setting minimum normal annual rainfall between 1750–2000 mm (68-78 inches). The monsoon trough, alternately known as the inter-tropical convergence zone, plays a significant role in creating Earth's tropical rain forests.
A tropical rainforest is a biome found within (roughly) 10 degrees north or south of the equator. They are common in Asia, Australia, Africa, South America, Central America, Mexico and on many of the Pacific Islands.
Tropical rainforests are a world like none other; and their importance to the global ecosystem and human existence is paramount. Unparalleled in terms of their biological diversity, tropical rainforests are a natural reservoir of genetic diversity which offers a rich source of medicinal plants, high-yield foods, and a myriad of other useful forest products. They are an important habitat for migratory animals and sustain as much as 50 percent of the species on Earth, as well as a number of diverse and unique indigenous cultures. Tropical rainforests play an elemental role in regulating global weather in addition to maintaining regular rainfall, while buffering against floods, droughts, and erosion. They store vast quantities of carbon, while producing a significant amount of the world's oxygen.


Despite their monumental role, tropical forests are restricted to the small land area between the latitudes 22.5° North and 22.5° South of the equator, or in other words between the Tropic of Capricorn and the Tropic of Cancer. Since the majority of Earth's land is located north of the tropics, rainforests are naturally limited to a relatively small area.


Tropical rainforests, like so many other natural places, are a scarce resource in the 21st century. The vast swaths of forest, swamp, desert, and savanna that carpeted Earth's land surface a mere five generations ago have been reduced to scattered fragments; today, more than two-thirds of the world's tropical rainforests exist as fragmented remnants. Just a few thousand years ago, tropical rainforests covered as much as 12 percent of the Earth's land surface, or about 6 million square miles (15.5 million square km), but today less than 5 percent of Earth's land is covered with these forests (about 2.41 million square miles or 625 million hectares). The largest unbroken stretch of rainforest is found in the Amazon river basin of South America. Over half of this forest lies in Brazil, which holds about one-third of the world's remaining tropical rainforests. Another 20 percent of the world's remaining rainforest exists in Indonesia and Congo Basin, while the balance of the world's rainforests are scattered around the globe in tropical regions.


The global distribution of tropical rainforests can be broken up into four biogeographical realms based roughly on four forested continental regions: the Ethiopian or Afrotropical, the Australiasian or Australian, the Oriental or Indomalayan/Asian, and the Neotropical.
 
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