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Ajay Kumar Uprety's Blog
Ajay Kumar Uprety's Blog


Impacts of Climate Change
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Climate change is happening and people in the world have started to feel its impact on their lives. Impacts are already visible and being strong day to day. The change in existing climate are happening more quickly than expected by scientists which threatens the basic elements of life as food, water, health, use of land and natural environmental environment more seriously around the world. A global consensus is that climate change is a significant threat to world’s well being. Human activities are perturbing the climate system at the global scale.

CC & HEALTH

Climate change is likely to have wide-ranging and potentially serious health consequences. Some health impact may result from heat wave related deaths, weather disasters and other will result from disturbances to complex ecological process as change in pattern of infectious disease, lack of fresh water & malnutrition due to lack of food. In 2003, extreme heat waves caused more than 35,000 death in Europe & more than 1,500 deaths in India. An increase in malaria has been observed due to climate change. Water is the breeding ground for mosquitoes & warmer temperature help the pests to breed in previously cool areas. Flooding & water contamination may lead to high risk of water borne epidemic. Some health impact may be beneficial as milder winters may reduce the seasonal winter time peak in deaths in temperate countries, But, it is likely that the negative health impacts of climate change will far outweigh the positive effects.

OUR FOOD!

Climate change brings about extreme events like floods, droughts and hailstorms; affecting agriculture drastically. Agriculture providing livelihood to maximum population in the world. Climate change may increase yields of cereal grains at high & mild latitudes but may decrease yields at lower latitudes. This may alter food scenario of globe. Slight decline in annual food production is a matter of great concern. Loss of top fertile soil due to erosion, land slides & flood contribute largely to reduce food production which effect is directly seen in farmers’ families and agricultural countries as Nepal. Rising temperature & increased rain fall could lead to more pests & weeds that may also reduce productivity. Africa is especially vulnerable & studies warn that there may be a significant increase in hunger.

SNOW …….?

Glaciers form seventy percent of the world’s freshwater reservoir & respond to slight climate change. Global warming is now melting glaciers all over the world. A rise of 40C will dissolve every glacier. Melting glaciers will increase flood risk during the wet season and strongly reduce dry-season water supplies to one-sixth of the world’s population, predominantly in the Indian sub-continent, parts of China. Disappearance of glaciers on Mount Kilimanjaro of Africa is result of global warming. 82% of icecap that is on 1912 is now gone. It is predicted that by 2050, two hundred million people may become permanently displaced due to rising sea levels, heavier floods & intense droughts.

SOCIAL HAZARD

Most of us think that climate change is environmental problem and its affect us only from that dimension but it has serious social impact too which push us back from socialization. It may have major obstacles to continue poverty reduction across the world. Due to climate change poorer country is heavily dependent to others for agricultural production which prevent them to go up. Besides this, they can not get quality public services and there daily incomes will under the basic necessities.

FOREST N BIODIVERSITY

The affects of climate change aren’t going to be restricted to humans. Ecosystems (plants and animals) will be particularly vulnerable to climate change. Birds, fish, and land-based animals are all going to be under threat as their habitats and climate alter against them. Plants, trees and shrubs are also going to have to adapt. One of the main concerns with species shifting from where they are now is that if climate change occurs very quickly, some wildlife may not be able to adapt so may not survive. Less snow in winter, warmer temperatures in summer and more winter rain will affect wildlife across the world. Sea level rises will reduce land area in some countries, which will instantly affect vegetation which is currently used for homes and food by animals. It is estimated that 15 to 40% species face extinction with 20C warming. Decrease in moisture levels due to climate change, forest fires are more likely. In 2002, Colorado, Arizona and Oregon of United States endured their worst wildfire seasons.

THIRST …. THIRST ……..

Due to climate change snow accumulation will decrease. With a decrease in anow accumulation and glacial retreat, our taps will run dry. United Nation Environment Program predicts that by 2050, 30% of the world will face serious water shortages. High temperature i.e. warmer condition will lead to greater stress on freshwater supplies and also favorable to plant growth in water cause lowering of water quality.

WHAT ABOUT OCEAN….. ?

Climate change also threatens marine habitats and lives of people who totally depend on ocean. The ocean have absorbed half the Carbondioxide (CO2) produce in past cause ocean acidification. It effects on marine ecosystems, with possible adverse consequences on fish stocks.

ECONOMICS OF CLIMATE CHANGE

Climate change has direct relation with economy. Overall impact in agriculture, health, freshwater and so many other bring about economic burden to each and every nations. Number of global weather related disaster have increased many fold causing serious economic loss especially in developing countries. It also increase climate refugees which add extra economic loss, either in labor market or in production.

Though there are so many uncountable impacts of climate change, they are not evenly distribute. The poorest countries and people will suffer earliest and most. When the damage appear it will be too late to reverse the process. Thus we have to look a long way ahead.

April 11, 2008 | 9:21 PM Comments  0 comments

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