Global Warming vs Climate Change: Which is more dangerous? | UPSC 2025 | Sleepy Classes IAS

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BEGIN GS 2025
GEOGRAPHY:-
TOPIC:-03:-GLOBAL WARMING
What is Global warming?
1. Unprecedented warming over the last few decades.
2. Increase in combined surface air and sea surface temperature
3. Approximately 1°C (likely b/t 0.8° C and 1.2°C)
4. We withness this in 30 years period
5. IPCC reports:- 1850-1900 period.
Green House Effect:-
1. natural process that warm earth's surface.
2. Sun's energy reaches the earth's atmosphere - enhanced greenhouse effect.
3. Greenhouse Gases include - water vapour, carbon dioxide, methane, nitrous oxide, ozone and (CFCs) etc.
4. GHG effects:-
:- Absorbed Energy - warms atmosphere and surface of the Earth 🌍
:- process maintains the earth's temperature - around 33° celsius warmer 😮
:- Infrared Radiation:- absorption By GHG molecules.
Enhanced Greenhouse Effect
- led to Global Warming.
- burning fossils fuels ( coal, oil, natural Gases) agriculture .
Global Warming:-
1. Pre industrial co2-280PPM ---- 420 PPM
commited Warming:-
1. Tp raise global- mean temperature to 1.5° C above pre-industrial levels.
Land and Ocean 🌊:-
1. warming greater than the global average land having high temperature.
Global warming v/s Climate change
- increasing changez in the measure climate change

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