geography

• ozone is the layer if atmosphere which stops the ultra voilet (uv)rays of the sun to reach the earth
• the gradual increase in overall temprature of the earth mainly caused by human activities is called global warming
• the trapping of heat near the earth surface due to increased carbon dioxide in the atmosphere is called the greenhouse effect
• the gases which increase and cause greenhouse effect are called greenhouse gases like methane CH4,cfcs,
• the target to reduce green house gases by 45perc till 2010 and by 0perc till 2050 is called the net zero goal
• rise in temprature over the last centuryis 0.57 degrees
• our contribution to the green house gases was about 01percent of the total
• area affected by the glaciers melting is the northren area of pakistan
• area affected by frequent flooding is indus plane
• • 5rs
  • reduce
  • repair
  • reuse
  • recycle
  • repurpose
• causes of global warming

  NATURAL CAUSES

  • volcanic eruption
  • forest fires
  • HUMAN CAUSE
  • industrilization
  • pollution
  • deforestation
  • over use of fossil fuels
• global climate change is a long term change of weather that has affected the sustainability of life on earth it needs urgent concern of humans as it is the result of unplanned human activities