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Monthly DNA
18 Apr, 2023
14 Min Read
The term "Heatwave" is used when a station's maximum temperature reaches at least 40°C for plains regions and at least 30°C for hilly regions.
An rise of 5 to 6°C above the normal temperature is regarded as a heat wave condition if the maximum normal temperature of a station is less than or equal to 40°C.
Furthermore, a severe heat wave condition is defined as an increase in temperature of at least 7°C above average.
Impact of heat wave
The frequent occurrence of heat waves also has a negative impact on various economic sectors.
The loss of working days, for instance, has a severe effect on the livelihood of poor and marginal farmers.
The economy is impacted by heatwaves because they have a negative effect on daily wage workers' output.
Effects on the Agriculture Sector When temperatures rise above the optimal range, crop yields are harmed.
Wheat crop losses were reported by farmers in Haryana, Punjab, and Uttar Pradesh during the most recent rabi season. Due to heat waves, wheat production in India may decline by 6–7%.
Heatwaves can also harm livestock.
Heat waves unavoidably affect the amount of electricity used.
In North India, the daily average peak demand in April was 13% greater than in 2021, and in May it was 30% higher.
Human Mortality: The causes of heat wave-related deaths include increasing temperatures, a lack of public awareness campaigns, and insufficient long-term mitigating efforts.
A 2019 analysis from the University of Chicago and Tata Centre for Development predicts that by 2100, it's possible that more than 1.5 million people per year will pass away from heat-related causes owing to climate change.
Diabetes, cardiovascular and respiratory disorders, as well as issues with mental health, will all become more prevalent as a result of the increased heat.
A heat wave action plan is needed because of the detrimental effects of heat waves, which show that stronger disaster management policies and effective disaster adaption techniques are needed in heatwave zones to decrease the effects of heatwaves.
Source: Indian Express
G7 nations met for two days in the northern Japanese city of Sapporo to discuss climate, energy, and environmental policies.
Following Russia's invasion of Ukraine, the need for energy security and renewable fuel sources has grown more urgent.
The climate and energy ministers and envoys of the Group of Seven (G7) nations have committed to accelerating the phase-out of coal and securing carbon-free electricity production by 2035. Prior to the G7 summit in Hiroshima, Japan, in May 2023, the agreement was made in Sapporo, Japan.
In light of its G20 chairmanship, India was also invited to the summit as a "guest".
Source: The Hindu
Source: The Hindu
Source: The Hindu
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