| An increase in the average temperature of the | | | | in the extinction of many species and a reduction in |
| earth's atmosphere, especially a sustained increase | | | | the diversity of ecosystems, above about a 4°C |
| sufficient to cause climatic change, this is due to air | | | | increase in global mean temperature after fifty years |
| pollution. In 2007 the UN intergovernmental Panel on | | | | will lead to the extinction of many freshwater |
| Climate Change forecasted that by 2100 global | | | | species. Similarly for the marine ecosystems would |
| average surface temperatures would increase 3.2 - | | | | result in mass mortality of coral reefs globally and the |
| 7.2 °F, depending on a range of scenarios for | | | | Terrestrial ecosystems with a warming of more |
| greenhouse gas emissions, and stated that it was | | | | compared to now will likely that global terrestrial |
| now 90 percent certain that most of the warming | | | | vegetation would become a net source of carbon |
| observed over century attributed by emissions of | | | | and lead to major extinctions around the globe. |
| gases produced by human activities. The basic | | | | Water containing toxic substances and chemical |
| problem related to global temperature will cause sea | | | | fertilizers kill aquatic organisms and the Eutrophication |
| levels to rise and will change the ecological balance | | | | also causes the death of aquatic organisms. The |
| and pattern of precipitation, probably including | | | | gases released from various industries will result in |
| expansion of subtropical deserts. Warming is | | | | the acid rain which corrodes the plants and also |
| expected to be strongest in the Arctic and would be | | | | affects the absorption system of plants leading to |
| associated with continuing transformation of glaciers | | | | the death hence affecting the food web. |
| and sea ice into sea water, other likely effects | | | | 3. Effect on the species leading to extinction |
| include changes in the frequency and intensity of | | | | The population of living organisms that cannot adapt |
| extreme weather events, species extinctions. | | | | to the environment decreases and finally becomes |
| Global warming is the rapid increase in the earth | | | | extinct due to spraying of chemicals made from |
| surface temperature due to the greenhouse gases | | | | pesticides this affects the secretion of hormones and |
| released by the human activity or the burning of | | | | the reproduction processes in the animals. |
| fossil fuels to increase the concentration of pollutant | | | | Deforestation and soil erosion carried out by humans |
| content and as a result of that the increase in | | | | destroys the habitats and affects the lives of many |
| temperature has increased nearly doubled in the last | | | | wildlife species for example the Coral reefs are |
| 50 years and still it is continued, warming modifies | | | | breeding grounds for many aquatic species the |
| rainfall patterns, amplifies coastal erosion, lengthens | | | | destruction of corals reef due to oil spills or sewage |
| the growing season in some regions, melts ice caps | | | | disposal from factories results in the extinction of |
| and glaciers, and alters the ranges of some infectious | | | | many aquatic species and disturbing the ecology of |
| diseases. The major greenhouse gases are water | | | | aquatic system. |
| vapor, which causes about 34-50 percent of the | | | | 4. Effect on the Polar ice caps melting |
| greenhouse effect; carbon dioxide which causes 5-20 | | | | The effects on ecosystems, warming reduce the |
| percent; methane (CH4), which causes 1-5 percent; | | | | ocean's ability to absorb CO2 and the amount of |
| and ozone (O3), which causes 1-4 percent and some | | | | oxygen dissolved in the oceans may decline, with |
| others are oxides of nitrogen and Chlorofluorocarbon. | | | | adverse consequences for ocean life it will raise sea |
| Recently according to the NASA sources their | | | | levels this is due to the reduction in incoming solar |
| satellites has record a host of vital signs including | | | | radiation, reflection of that energy back into space, |
| atmospheric aerosols, factories, fires, deserts, and | | | | fluctuations in atmospheric and oceanic carbon dioxide |
| erupting volcanoes, atmospheric gases (including | | | | and methane levels, increased amounts of dust in the |
| greenhouse gases), energy radiated from Earth's | | | | atmosphere such as that resulting from volcanic |
| surface and the Sun, ocean surface temperature | | | | activity and heightened winds.. According to the |
| changes, global sea level, the extent of ice sheets, | | | | National Snow and Ice Data Center, if all glaciers |
| glaciers and sea ice, plant growth, rainfall, cloud | | | | melted today the seas would rise about 230 feet |
| structure, and more causing the global warming. | | | | that means our existence will be nowhere. The |
| There are various effect on the ecology due to the | | | | melting ice caps will throw the global ecosystem out |
| global warming some of them are listed they are as | | | | of balance. Predicting the future of the ice caps is a |
| follows: | | | | difficult task. It is complicated by the interactions of |
| 1. Effect on the Human being | | | | the various factors that control the ice. One example |
| The Air pollution caused by the human activity like | | | | is the possibility that the warming climate will reduce |
| that from heavy industries causes various diseases | | | | the areal extent of ice in the polar regions.The ice |
| like bronchitis and asthma, the inflammation of the | | | | caps are fresh water, and when they melt they will |
| respiratory tract and weakens the immune system | | | | desalinate the ocean. The temperature rises and |
| and the polluted air released by the heavy industries | | | | melting of polar icecaps in the arctic will endanger |
| is the main source of heavy metal pollution which can | | | | several species of animals. |
| causes organ damages and death. The heavy metal | | | | Global warming poses one of the most serious |
| cadmium and mercury causes damage to the kidney, | | | | threats to the global environment ever faced in |
| lungs and the heart whereas the radioactive wastes | | | | human history. The environmental community rightly |
| can cause cancer. According to the | | | | recognizes global warming as one of the gravest |
| Intergovernmental Panel on Climate Change (IPCC) | | | | threats to the planet. Global temperatures are already |
| has made the following conclusion related to global | | | | higher than they've ever been in at least the past |
| warming affecting the human kind; the health status | | | | millennium, and the increase is accelerating even |
| of millions of people would be affected through like | | | | faster than scientists had predicted. The expected |
| increases in malnutrition; increased deaths, diseases | | | | consequences include coastal flooding, increases in |
| and injury due to extreme weather events; increased | | | | extreme weather, spreading disease, and mass |
| burden of diarrhoeal diseases; increased frequency of | | | | extinctions. An effective strategy or framework has |
| cardio-respiratory diseases due to high concentrations | | | | to be developed to reduce the global warming at the |
| of ground-level ozone in urban areas related to | | | | earliest otherwise we already know the |
| climate change and altered spatial distribution of some | | | | consequences because we have the responsibility to |
| infectious diseases like dengue and malaria. | | | | give back the same time what we had received to |
| 2. Effect on the Ecology or Nature | | | | the next generation. Let us keep our environment |
| The climate change due to the global warming results | | | | green and clean to suit our future and generation. |