Global warming is the biggest challenge of the 21st century!!!

The rapid rise in infectious diseases due to global climate change is no less than a moment of concern as an estimated 7 million people worldwide die every year from air pollution. Severe weather and mosquito-borne diseases have become commonplace around the world, but it is important to note that reducing carbon dioxide emissions, which cause global warming, can save millions of lives each year. The health effects of climate change are the biggest challenge of the 21st century, but it is unfortunate that only one percent of the world's money is being spent to prevent it.
In the 1980s, scientists acknowledged that carbon and greenhouse gases from refrigerators, air conditioners and industries were damaging "ozone" levels, while raising global temperatures to dangerous levels.

When the temperature in European countries rose in 2003, 70,000 people died. In 2010, the heat in Russia killed 50,000 people. US Vice President Al Gore writes in his book Inconvenient Truth AN on Environmental Pollution that the issue of "global warming" became a major campaign issue in the United States during the 2000 election, so Bush also addressed the issue. But after the victory, he took a U-turn and said that it was not a problem.

When people shouted about environmental pollution, President Bush said that it was good for the economy and that science Therefore, the facts presented by him cannot be believed. He further wrote in his book that the United States has more than 30 percent of the polluters while Europe has 27 percent and Russia has more than 13 percent. Since then, the amount of greenery in the world has decreased by 59%.

There are about 50 countries with the worst shortage of drinking water, including India. Air and water are also not available. Modern industrial and scientific development has its place, but if the heat generated by it is not controlled, no country in the world, no matter how developed, will be able to survive the ravages of the weather because food prices there. Growth will increase, famine will increase, crops will decrease, corn, rice and wheat crops will be severely affected, floods and hurricanes will come. Due to the increasing amount of emissions, these days we are facing various environmental problems such as water, air and temperature. At present, about 31% of the atmosphere contains deadly gases like carbon dioxide. According to experts By 2100, sea levels will rise by 9 to 100 centimeters, drowning coastal cities. Air pollution is the cause of death for every eighth person in the world, and about 7 million worldwide each year. Almost 59% deaths are in Asia due to air pollution.
Climate change and pollution have also led to a significant decline in global economic output, with emissions of nitrogen and carbon compounds from various industries and transport also increasing air pollution. According to the study, more than half of all deaths due to air pollution worldwide occur in just two countries, India and China, as coal-fired power plants in India and China are the biggest sources of pollution. Earlier, several agreements were reached at the global level to control environmental pollution, but they could not be implemented. An agreement was reached in 1987 in Montreal to reduce emissions of gases that damage the ozone layer. In 1990 and 1992, major global meetings were convened to make it effective and efficient. In 1992, the United Nations Framework Convention on Climate Change (UNFCCC) discussed various proposals for mitigating global warming. At the Third United Nations Framework Convention on Climate Change in Japan, more than 160 countries signed an agreement prioritizing the agenda of greenhouse gases, which contribute to global warming. The biggest reason is that their emissions will be kept to a minimum, but since February 2005, when it came time to implement the agreement, the United States has refused to ratify it. China, the largest emitter of carbon, China has set a target of reducing its coal production by 500 million tonnes by 2024, while the United States has indicated it will implement it by 2019. It has also decided to reduce dioxide emissions by 60%.
According to a report, India and Pakistan alone emit 1.5 billion tonnes of greenhouse gases annually. Pakistan, India and some Gulf states have asked for a respite until 2028. Although the effects of climate change affect both developed and developing countries, most of these changes are faced by developing countries, largely due to the fact that these countries pay less attention to it due to development and trade.

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Reference;
https://21stcenturychallenges.org/climate-change-2/

https://onlinelibrary.wiley.com/doi/pdf/10.1002/gch2.1003