4.13- Greenhouse gases

Human activities effecting greenhouse gases:

• Burning of fossil fuels results in the formation of carbon dioxides and nitrous dioxides which are greenhouse gases.
• Cows emit methane gas which is about 9% of the atmospheric gases.
• Evaporation of water to form water vapour, clouds are a significant contributor
• Refrigeration/ Solvents are associated with the absorption of UV light and catalysing the breakdown of the ozone layer