Global warming:
It refers to an unequivocal and continuing rise in the average temperature of Earth’s climate system.
Human activities contributing to global warming:
- Human activities contribute to climate change by causing changes in Earth’s atmosphere in the amount of greenhouse gases, aerosols and cloud liness.
- The largest known contribution comes from the burning of fossil fuels, which releases carbon dioxide gas to the atmosphere.
- Greenhouse gases and aerosols effect climate by altering incoming solar radiation and out going infrared radiation that are part of Earth’s energy balance.
- Due to industrial revolution, industrial pollution increases day by day.
- Increasing of over population and using of power driven vehicles.
- New methods of agricultural practices.
- Mining, the establishment of nuclear power plants and reckless deforestation, etc.
Evil effects of global warming :
- The earlier changes of cooling and warming are more rapid and leading to catastrophic changes.
- If the climate is raised by 2° C, it leads to one meter raise in the sea levels.
- The faster melting of Himalayan glaciers would disturb the livelihood of fisherfolk.
