Human activity has caused many environmental problems. First of all greenhouse gas emissions that cause global warming, melting glaciers, global climate deterioration; Second, humans are like deforestation, deforestation lead to desertification; Finally, as economic development, industrial developme

Human activities have caused many of the environmental problems. First of all, the emission of greenhouse gases that cause global warming and melting of glaciers, the Global Climate deterioration; and, secondly, human like deforestation, excessive deforestation has led to soil desertification; final