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Thursday, December 2, 2021

Current issues in india 2021 :- Climate change, heat wave and forest fires

Everyone must have heard about the story of the boiling water frog, a frog in boiling water jumps as if it will save itself by jumping out of the water, but the frog that is in the water gradually heats up and eventually death Becomes Her. Global warming, that is, the crisis of global warming is also engulfing us day by day, in such a situation it has become necessary that we take important steps to keep ourselves safe.

present situation

According to a consolidated analysis of the World Meteorological Organization's major international dataset on 15 January 2020, the organization confirmed that the year 2019 was the second warmest year of the decade after 2016.

Average temperature

Average temperatures for five years (2015-2019) and ten years (2010-2019) were significantly higher at record levels. Every single decade since the 1980s has been warmer than the previous decade. This trend is expected to continue as Earth's climate is changing due to record levels of greenhouse gases that hold heat in the atmosphere.

According to estimates from the five data sets used in this consolidated analysis, annual global temperatures in 2019 were 1.1 °C higher than the mean temperatures for the years 1850–1900, which were used to represent pre-industrial conditions. The year 2016 has been the warmest year on record due to a strong El Nio, which leads to greater warming and long-term climate change effects.

In the year 2019, the month of July was recorded as the warmest month in Europe (the hottest month ever since the year's temperature records are being recorded), due to which many people died. Along with the offices, many essential services were also kept closed.

Effect

The scorching heat not only changed the climate of the entire hemisphere, but the year 2019, which was recorded as the hottest and driest year in Australia, also gave rise to a dangerous situation like forest fire, whose magnitude and horror shocked the whole world. Taxed it.

Extreme temperatures, heat waves or heatwaves and record-level drought conditions are not anomalies but are broad trends of a changing climate. It would not be an exaggeration to imagine the magnitude of the effects if global temperatures rise further.

3.2 °C rise

According to UNEP's Emissions Gap Report 2019, at current levels of carbon dioxide emissions, if we rely only on the current climate commitments of the Paris Agreement and fully implement them, there is a 66 percent chance that by the end of the century Global warming will increase by up to 3.2 °C.

What can be done?

Governments, companies, industry and the public of G20 countries, which are responsible for 78 percent of greenhouse gas emissions, need to set precise targets and timelines for decarbonization (that is, the removal of carbon or organic acids from a substance) so that Effective action is possible in this direction.

In addition, efficient technologies, smart food systems and buildings powered by zero-emission capacity and renewable energy should be developed, as well as other alternatives or measures should be adopted accordingly so that the existence of the coming generation can be protected.

In the year 2020, the world can ensure effective action towards fulfilling its commitments related to climate change. This is a year when global emissions need to be cut by 7.6 percent to limit the increase in global temperature by 1.5 degrees Celsius, a drop of 7.6 percent each year by 2030. Before extreme weather events in the year 2020 put more pressure on communities and ecosystems than they can, we as a global community have enough means and opportunities to keep the Earth from boiling like a frog, But now is not just the time to formulate policies, but to implement them effectively, and the more dire consequences of ignoring it can be imagined from Australian wildfires.

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