This is a very worrying problem with effects is global warming. Trees absorb CO2 and use it to grow. But when the trees . CO2 will be released again. For this reason, deforestation has caused died or been cut more damage 2 times. Because different types of greenhouse effect has been released. At the same time. And the number of trees absorb CO2 is reduced. 30% increase in CO2 in the atmosphere 150 years ago, is come from deforestation