Global Temperature Likely to Rising 1.5°C in 20 Yrs | Best NDA Coaching in Lucknow
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Global Temperature Likely to Rising 1.5°C in 20 Yrs
The Intergovernmental Panel on Climate Change (IPCC) recently released its sixth assessment report titled ‘Climate Change 2021: The Physical Science Basis’. The IPCC is the United Nations body for assessing the science related to climate change.
The Report – Climate Change 2021: The Physical Science Basis
Highlights:
The report highlights that human influence has warmed the climate at a rate that was never seen at least in the last 2,000 years.
• Emissions of greenhouse gases from human activities are responsible for approximately 1.1°C of warming between 1850-1900.
• At this rate, over the next 20 years, global temperature is expected to reach or exceed 1.5°C of heating.
• In 2019, atmospheric CO2 concentrations were highest in at least 2 million years, and concentrations of methane and nitrous oxide were highest in the last 800,000 years.
• Global surface temperature has increased faster since 1970 than in any other 50-year period over at least the last 2,000 years.
Global Temperature Likely to Rising 1.5°C in 20 Yrs | Best NDA Coaching in Lucknow
Impact of increase in warming:
• The global mean sea level has risen faster since 1900 than over any other century in at least the last 3,000 years. Warming is already reducing ice cover and leading to more droughts, floods, and storms. All these trends will get worse with an increase in warming.
• For 1.5°C of global warming, there will be increasing heat waves, longer warm seasons, and shorter cold seasons. It will also lead to changes in the monsoon rain patterns.
• As the planet warms, regions will be affected not just by extreme weather but by multiple climate disasters that occur simultaneously.
• Extreme sea-level events that previously occurred once in 100 years could happen every year by the end of this century. By 2050, such events could occur once every six to nine years.
Global Temperature Likely to Rising 1.5°C in 20 Yrs | Best NDA Coaching in Lucknow
Impact on India
• India would face similar impacts in addition to the frequent occurrence of glacial lake bursts in the Himalayan region and flooding of low-lying coastal areas.
• Rainfall can increase by 20% on the southwest coast compared to the 1850-1900 level. An increase in rainfall will be more severe over the southern parts of India.
• At the same time, incidents of forest fire may increase because of heatwave conditions.
Global Temperature Likely to Rising 1.5°C in 20 Yrs | Best NDA Coaching in Lucknow
Way Ahead
• As per the report, there is still time to stop climate change.
• Strong and continuous reductions in emissions of carbon dioxide (CO2) and other greenhouse gases, could quickly make air quality better, and in 20 to 30 years global temperatures could stabilize.
• All nations need to strengthen their commitments through concrete Nationally Determined Contributions (NDCs) and policies to achieve reduce warming.
CONTENT BY PRASHANT SINGH
Faculty of personality development | 5+ years of experience of teaching | Masters in English literature | 10 times CDS qualified, | Defence enthusiast, educator and explorer