Global warming

 

• An increase in the average temperature of Earth’s near surface air and oceans since the mid-20^th century
• 4^th assessment report of IPCC: global temperature increased 74+0.18 degree C during the 20^th century.
• Caused by greenhouse gases
  • Water vapour, Co2, Methane, Nitrous Oxide, Ozone, CFCs (in order of abundance)
• Since the industrial revolution, the burning of fossil fuels has increased the levels of Co2 in the atmosphere from 280 ppm to 390 ppm.

BPCS Notes brings Prelims and Mains programs for BPCS Prelims and BPCS Mains Exam preparation. Various Programs initiated by BPCS Notes are as follows:-

• BPCS 2022 Mains Tests and Notes Program
• BPCS Prelims Exam 2022 - Test Series and Notes Program
• BPCS Prelims and Mains 2022 Tests Series and Notes Program
• BPCS Detailed Complete Prelims Notes

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