The correct options are
A Switching to solar/wind energy from fossil fuels
B Planting trees
D Using public transport over personal vehicles
To save planet earth from pollution, we need to reduce the toxic emissions from burning fossil fuels. We can achieve this by the following methods:
1. Switching to clean energy like solar/wind energy from other sources of energy which include burning of fossil fuels.
2. By planting more trees, more carbon dioxide can be absorbed by plants.
3. Using public transport or by carpooling, we reduce the consumption of fuels.
Burning of crackers on Diwali increases the amount of toxic gases tremendously affecting a lot of living beings. It is wise to refrain from burning crackers during festivals.