Global warming is the term which define the cumulative effect of Green House Gases. Main GHG are Methane and Carbon dioxide. These gases, they built up at lower atmosphere of earth and traps the sun's heat. It not only increases the earth surface temperature but mainly causes climate change, happen to our environment, atmosphere and weather over time. Climate change impacts the hydrology and biology of the planet -- everything, including winds, rains and temperature, is linked.
Global warming isn't just about things getting hotter -- other changes can occur, including stormier, drier and even, in some instances, colder conditions
Effects of Global Warming !!
1. Sea Level to Rise
Higher temperature melts the ice in glaciers, sea ice and polar ice sheets. It increases the water in world's seas and oceans.
Scientists are able to measure direct impacts on people in the United States by melting water from Greenland's ice cap: The flow of the Colorado River has increased sixfold [source: Scientific American]. And scientists project that as the ice shelves on Greenland and Antarctica melt, sea levels could be more than 20 feet (6 meters) higher in 2100 than they are today [source: An Inconvenient Truth]. Such levels would submerge many of Indonesia's tropical islands and flood low-lying areas such as Miami, New York City's Lower Manhattan and Bangladesh.
2. Shrinking Glaciers
The Himalayan glaciers which are the source of the Ganges River, which supplies drinking and irrigation water to 500 million people, are reportedly shrinking by 40 yards (37 meters) each year [source: The Washington Post].
3. Heat Waves
Europe was hit by deadly heat wave in 2003, killing an estimated 35,000 people, could be the harbinger of an intense heat trend that scientists began tracking in the early 1900s [source: MSNBC].
4. Storms and Floods
High Temperature heats up the ocean water which in turns give strength to hurricanes. Increasing ocean and atmospheric temperatures with give birth to violent storms. Between 1905 and 2005 the frequency of hurricanes has been on a steady ascent. From 1905 to 1930, there were an average of 3.5 hurricanes per year; 5.1 between 1931 and 1994; and 8.4 between 1995 and 2005 [source: USA Today]. In 2005, a record number of tropical storms developed, and in 2007, the worst flooding in 60 years hit Britain [sources: Reuters, Center for American Progress].
5. Droughts
Experts say that as the climate warms drought conditions may increase by at least 66 percent which results in quick shrinkage of supply water and reducing quality agriculture . India , Pakistan and Sub-Saharan Africa are also going through it.
6. Disease
While more than 150,000 people die from climate change-related sickness each year, everything from heat-related heart and respiratory problems to malaria are on the rise [source: The Washington Post]. Cases of allergies and asthma are also increasing.
7. Economic Consequences
Billions of Dollars of damage will be caused as a result of serve storms, floods, earth quakes, etc. Extreme weather can create extreme financial setbacks. For example, during the record-breaking hurricane year of 2005, Louisiana saw a 15 percent drop in income during the months following the storms, while property damage was estimated at $135 billion [source: Global Development and Environment Institute, Tufts University].
8. Conflicts and War
Lack of food, water and land will create conflict , war , aggression, panic and all kind of instability.
The conflict in Darfur has been partly blamed on stresses caused by global warming
9. Biodiversity Loss
Extinction of many wild life, plants and animal species is happening due to desertification, deforestation and ocean warming, as well as the inability to adapt to climate warming.
This will effect humans overall as rising sea level and loss of plant/ animal will cause loss of food, fuel and income.
10. Destruction of Ecosystem
Models been made on temperature variations which tell increasing chances of devastating floods, drought, wildfires, ocean acidification and eventual collapse of functioning ecosystems worldwide, terrestrial and aquatic alike.
Reference: Discovery
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