Suggest a few steps for controlling carbon dioxide levels in the atmosphere.

Explanation

Steps for controlling carbon dioxide level in the atmosphere are as follows:
(1) Reduce the consumption of fossil fuels such as petrol, diesel automobiles. Using public transport helps in reduction of petrol usage.
(2) Use alternative fuels such as CNG instead of fossil fuels.
( 3 ) Instead of burning litter, prepare manure out of it.
(4) Planting of large number of trees. (5) The smoke coming out of thermal power stations and other industries should be well treated to remove harmful gases, before discharging it into atmosphere.