Page "Deforestation" Paragraph 19

Rainforests are widely believed by laymen to contribute a significant amount of world's oxygen, although it is now accepted by scientists that rainforests contribute little net oxygen to the atmosphere and deforestation has only a minor effect on atmospheric oxygen levels .< ref > Broeker, Wallace S. ( 2006 ).

" Breathing easy: Et tu, O < sub > 2 </ sub >.

" Columbia University </ ref > However, the incineration and burning of forest plants to clear land releases large amounts of CO < sub > 2 </ sub >, which contributes to global warming.

Scientists also state that, Tropical deforestation releases 1. 5 billion tons of carbon each year into the atmosphere.