English
Tamil Nadu Board of Secondary EducationHSC Science Class 12

Revision: Environmental Issues Botany HSC Science Class 12 Tamil Nadu Board of Secondary Education

Advertisements

Definitions [1]

Definition: Deforestation

Deforestation is the conversion of forested areas into non-forested areas for agricultural, industrial, urban or other human uses.

Key Points

Key Points: Greenhouse Effect and Global Warming
  1. Greenhouse gases like CO₂ and methane trap heat in the atmosphere, preventing its escape and causing the greenhouse effect.
  2. Increased burning of fuels and deforestation raise CO₂ levels, intensifying global warming.
  3. Global warming results in rising temperatures, melting polar ice, higher sea levels, and reduced agricultural and fishery yields.
Advertisements
Advertisements
Advertisements
Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×