Question

Information about causes of number of tree are decress

Answer 1

Deforestation is the permanent destruction of forests in order to make the land available for other uses. An estimated 18 million acres (7.3 million hectares) of forest, which is roughly the size of the country of Panama, are lost each year, according to the United Nations' Food and Agriculture Organization (FAO).

Some other statistics:

About half of the world's tropical forests have been cleared (FAO)Forests currently cover about 30 percent of the world’s land mass (National Geographic)Forest loss contributes between 6 percent and 12 percent of annual global carbon dioxide emissions (Nature Geoscience)About 36 football fields worth of trees lost every minute (World Wildlife Fund (WWF))