Greenhouse gases and their impact on climate change

Greenhouse gases and their impact on climate change
Greenhouse gases and their impact on climate change
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The most important gases that affect climate change are carbon dioxide, methane and nitrous oxide, in addition to fluorinated gases, which capture heat and trap it in the atmosphere, which increases the Earth’s temperature.
Since the beginning of the industrial revolution, the climate began to change slowly, until the rate of carbon dioxide in the atmosphere of the fifties of the last century reached 5,000 million metric tons, then continued its march upward at a rate of 5,000 million metric tons every 10 years, reaching 2,500 every 20 years after the eighties of the century. The past, that is, forty years ago, and the rise continues in an oscillating manner, and reached its maximum during the years 2016 and 2020. As for the causes of emissions, they are the use of fossil fuels.
Changes in the Earth’s climate are driven by increasing human emissions of greenhouse gases, and are already having wide-ranging effects on the environment, especially glaciers. Ice sheets are shrinking, ice is breaking up earlier, geographic ranges of flora and fauna are shifting, plants and trees are blooming earlier. Effects that scientists long predicted are now clearly occurring, and perhaps faster than expected, including droughts, fires, heavy rains, ice loss, sea level rise, and longer and more intense heat waves.
According to the Intergovernmental Panel on Climate Change, rising temperatures will continue for decades due to human-caused emissions of greenhouse gases. So far, the planet’s temperature has risen by 1.1 degrees Celsius, and it will rise, according to the authority’s report, in 2021 to 3 degrees during the next few decades. This means that climate change is going to hit in all directions, however, these future impacts depend on the total amount of carbon dioxide we emit, and if we can reduce emissions, we may avoid some of the worst impacts.
Green-emitting companies around the world have announced plans to use projects to achieve zero greenhouse gas emissions by 2050, investors are calling for sustainable practices, and governments are looking to promote renewable energy technologies.
These projects allow polluting companies to pay private landowners to store carbon dioxide and prevent it from reaching the atmosphere, by planting trees that retain carbon dioxide to produce wood and fruits and release oxygen into the atmosphere, and this project may face obstacles in the event of climate change causing fires Or hurricanes, floods, or drought, and these phenomena wiped out crops.

Scientists monitor climate change from the ground through greenhouse gas emission centers, from the air through remote sensing aircraft, and from space through satellites, in addition to using programs and applications to monitor and study climate change in the past, present and future.
This monitoring provided data records for key indicators of climate change, including ocean warming; the loss of ice at the Earth’s poles, the melting of mountain glaciers; And the frequent changes in extreme weather such as hurricanes and heat waves, and the repercussions on biodiversity, especially for animals that flee towards areas more suitable for them, as plants also seek to migrate, and we will discuss in a next article the migration of forest trees towards new suitable places for them after losing them to change The climate is its environment in which it has lived for thousands of years.
(specialist in ornithology)

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