Knowledge in Environmental & natural resources

DESERTIFICATION -DESERT LIKE CONDITIONS DUE TO VARIOUS FACTORS.

DESERTIFICATION -IT IS THE SPREAD OF DESERT LIKE CONDITIONS IN ARID OR SEMI ARID AREAS DUE TO MAN'S INFLUENCE OR CLIMATIC CHANGE.

DEFORESTATION - THE PERMANENT REMOVAL OF TREES

DEFORESTATION , CAUSES OF DEFORESTATION;EFFECTS OF DEFORESTAION, IMPACT OF DAM BUILDING.