Global warming - The rising temperature of the earth will cause problems like living and food crisis.

The global average temperature of air near the surface has been increasing since pre-industrial times and this sequence of rising temperature is continuing.  During this period, its global average temperature has increased by about one Fahrenheit.  The Ministry of Earth Sciences has recently published a Climate Report titled 'Assessment of Climate Change in Indian Territory'.  The report was prepared under the leadership of Climate Change Research Center (CCR) of Indian Institute of Tropical Meteorology (IITM), Pune.  This report highlights the effects of human-induced climate change.  It has been revealed that the global average temperature of air near the surface is increasing continuously.  During the last three decades, the Earth's surface has been progressively warmer than the first decade of 1850, while 18 of the 19 warmest years in observational records during the period 2001–2018 have been.

These are the disadvantages due to increasing temperature

Due to the constant rise in the temperature of the earth, there has been a continuous change in the rate and pattern of rainfall, anomalies, glacier melting and sea level rise.  During the year 1993-2017, the sea level of the northern Indian Ocean has increased at the rate of 3.3 mm per year, which is similar to the global average.  While thermal expansion has played a major role in the rise in the northern Indian Ocean, the glacier melting is the main reason for the rise in sea level.

The risk of natural disasters has increased significantly due to the perceived rise in temperature. Although climate change is global, but the changes in climate are not uniform on the whole earth, so the risk of natural disasters also varies across the world. For example, Arctic temperatures are increasing much faster than the global average. There has been a significant rise in sea level all over the world. One consequence of global warming of the ocean and melting of ice and glaciers is that sea level averages are rising. Due to the rise in sea level, there may be a lot of pressure on the countries having more populated coastal populations and on the world's low-lying islands.

The Indian Ocean region has a large population, has many low-lying archipelagos and coastal areas, and has an abundant marine ecosystem. Around 2.6 billion people live in areas around the Indian Ocean, which is equivalent to 40 percent of the world's population. One-third of the Indian population and most of the Asian population are located in coastal areas. Therefore, the rise in sea level can lead to increasing challenges for the population, economy, coastal infrastructure and marine ecosystem.

These researches have been done on increasing temperature

A study by scientists from the US-based University of California (UC) revealed that this major change in the rainfall strip was not revealed in earlier studies on the global impact of climate change. Scientists say that climate change has increased temperatures in Asia and the North Atlantic Ocean. This recent study outlines the major changes in the coming decades in India by varying the responses in the Eastern and Western Hemisphere region. Co-author of the study and scientist James Randerson of UC Irvine said the projected reduction in aerosol emissions, melting of glaciers in the Himalayan region and the removal of snow cover in northern regions due to climate change caused temperatures to rise faster than other regions in Asia Will increase. He said that we know that the transfer of the rain strip due to this heat and its activity northward in the Eastern Hemisphere is consistent with the possible effects of climate change.

Studies of scientists from China, Europe and America have revealed that in the coming 50 years, the weather patterns in India will worsen. The study report states that if the same situation of greenhouse gases emissions continues or the temperature of the gases in the atmosphere continues to increase, the temperature of India will be as hot as the Sahara desert.

A study published at the National Academy of Science states that 1.2 billion people in India will face this summer heat in the coming years, while 100 million in Pakistan, 485 million in Nigeria will face this heat outbreak. According to the report, at present, the average annual temperature worldwide ranges from six degree centigrade to 28 degree centigrade, which is good for people's health and food production. But if this temperature keeps increasing then it will have economic, political, social and psychological effects. This will cause problems ranging from livelihood and livelihood to food crisis for the human population.

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