Question

How many trees will be required to absorb 2tons of CO2 from the air in one day...?

Answer 1

A typical tree can absorb around 21 kg of carbon dioxide (CO₂) per year (21/365=0.058 kg per day).

2 tons of CO₂ from the air in one day can be absorbed by 2 000 000 / 0.058 = 34 482 759 trees.