When carbon dioxide (CO2) and other air pollutants accumulate in the atmosphere, they absorb sunlight and solar energy that has bounced off the earth's surface. Normally, this radiation would escape into space, but these contaminants, which may linger in the atmosphere for years or centuries, trap the heat and cause the earth to heat up. These heat-trapping pollutants are known as greenhouse gases, and their impact is known as the greenhouse effect. They include carbon dioxide, methane, nitrous oxide, water vapour, and synthetic fluorinated gases. Burning of fossil fuels to create electricity or power our cars, deforestation and tree clearing regulates the climate and clearing vast areas of vegetation affects us adversely, agriculture and farming Animals, livestock like sheep and cattle, produce methane, a greenhouse gas. When livestock grazed at a large scale, as in Australia, the amount of methane produced is a big contributor to global warming.

Anukriti Srivastava

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