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Global Warming and its possible Future Consequences.

Global Warming

The gradual rise of temperatures caused by the accumulation of greenhouse gas in our atmosphere is also called global warming. These terrestrial warming gases include carbon dioxide, methane, oxide, ozone, and chlorofluorocarbons (CFCs). This enables the sun to pass through the atmosphere and the warm surface of the earth. Long-wave radiation, which radiates from the planet’s surface, then gets trapped with greenhouse gases, which warm air, oceans, and earth. This process is called the “greenhouse effect”. The greenhouse effect itself is not damaging. Indeed, Earth would not be warm enough without it to sustain life. In combination with fossil fuels, the cumulative impact of greenhouse gases is harmful. When coal, oil, and natural gas are burned, huge amounts of greenhouse gas are emitted – particularly CO2, the most frequent. The released gases add up faster than the atmosphere can absorb, disrupting the ability of our planet to keep temperature stable. Combine population growth in previous centuries with industry expansion and extensive deforestation—and in the 200,000 years of human history, the planet has never before seen levels of gas concentration in the atmosphere.

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Future Consequences of Global Warming

The longer we refuse to do something about global warming on a massive scale, the greater the threat is. While its effects are already being seen both at high as well as low temperatures in droughts, hurricanes, and wildfires, it is not too late to slow it down and mitigate its effects.

Severe Temperature When the earth warms up, more extreme weather and climate events like warm waves and droughts are happening. Over the past 50 years, the United States has witnessed prolonged record high temperatures, heavy storms, and floods and droughts in some places.

Polar Vortices Polar
While the term global warming may suggest that the only effect on the earth as—well, warm, and extremely severe cold air can also reach more temperate climates from the fridge, which is called a “polar vortex.” A polar vortex is a wide area around the Earth’s North and South poles of low pressure and cold air, while the “vortex” is the counterbalance of the airflow that helps keep colder air close to the poles. When warming reduces the amount of Arctic sea ice, more heat is allowed from the sea, the polar vortex is disrupted and weakened and that cold polar air can be transferred to the south.

Melting Ice sheets
In the next 100 years, the Intergovernmental Panel on Climate Change projects that Earth’s temperatures will rise to almost 12oF. This means that in many places, snow and permafrost are lost and that sea ice is still melted at the poles. Over the 21st century, the number of sea ice floating in the Arctic and Antarctic oceans is expected to diminish further, leading to an increase in the level of the sea.

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Sea Levels Rising
Warmer climates are causing two mechanisms to increase marine levels: 1) melting glaciers and ice sheets (ice on earth) adding water to the oceans, and 2) increasing seawater as heat increases, volume, and water levels increase. The sea level increased by approximately 4 – 8 inches in the 20th century. Around half of the increase has contributed to thermal expansion and ice melting. The sea level is expected to rise 8 to 20 centimeters by the year 2100. Thermal seawater expansion is projected to represent 75%.[6] More acidic ocean waters will also be seen as the sea level rises.

Heavy Rainfall
Nationally, especially over the last 30 to 50 years, there has increased change in precipitation and heavy rain. Midwest and northeastern areas are most likely to increase but all the United States regions are projected to have the frequency and intensity of extreme precipitation events. The rainfall has been well in excess of the average since 1991 during heavy precipitation. If we decrease our carbon dioxide emissions, extreme events like this would happen twice as often but if they continued, extreme precipitation would take place 5 times as often in 2081-2100.

Ocean Acidification
By taking in excess heat and carbon dioxide from the atmosphere, the earth’s oceans act as a buffer for climate change. Although that is good in the short term, in the long term it may spell disaster. The weak acid called carbohydrate is formed by carbon dioxide, which mixes with marine water. Scientists believe that since pre-industrial times this process has reduced the pH of the oceans by 1.pH. By 2100, further acidification of 0.14 to 0.35 could make life difficult for marine organisms.

Increasing Health Issues Global temperature also jeopardizes human health. Areas with wildfires and severe droughts suffer from reduced air quality that leads to lung, bronchitis, and other breathing disorders, respiratory and cardiovascular hospitalization. Vector-borne illnesses are an increasing concern – especially in areas that have often been left unfounded by cold climates such as mosquitoes and ticks. Climate factors such as temperature, precipitation, and humidity are strongly influenced by the incidence of tick-borne Lyme disease.

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Migration and Extinction of species

Of course, human beings are not the only people at risk in terms of climate and global warming. The most dangerous species will be those whose habitats may disappear totally, which are highly specialized in what they eat or live in. Some animals were already extinct as a result of climate change and global warming, for example, the golden toad that disappears because of drought and other changes to the climate. In the region of the Western Cape of South Africa, the Amazon could lose 69% of its species, 89% of its amphibians in Australia, 60% of all species could go out in Madagascar, and one-third of its species could be destroyed due to drought and water shortages. In 35 of the most diverse climate change future, researchers investigated the impact of climate change on close to 80,000 plant and animal species. The report found that it is anticipated, amongst the most affected areas, the Miombo Woodlands, home of wild African dogs, southwest Australia, and Amazon-Guayana.

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ALSO READ – https://www.britannica.com/science/global-warming

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