Now aday , environment pollution is increasing an alarming rate There are many reasons that caused polluted environment But there are main reasons that following : Firstly , it is forest destruction People destroy forest for many reasons such as : for fuel , cultivation , wood and paper … Obviously(chắc chắn) , it leads to two consequences(hậu quả) It is the change in temperature It can not denied(chối bỏ) that temperature lend to rise every year This is the cause of the fact that ice-bergs melt (những tảng băng tan) Obviously sea level is high and low land is flooded (Rõ ràng mực nước biển cao đất thấp bị ngập) More dangerously nature disaster appear such as : flood , drought , and storm … Needless to say , the soil becomes poor that is the causes of low productivity (năng suất thấp) As consequence we suffer from huger Secondly , it is sea exploitation (khai thác) Many nations test nuclear weapons (vũ khíhạt nhân) on the sea More terribly some large corporations exploit the oil at random It can not be denied that some factories , even discharge chemical and industrial wastes in to the sea As consequence , they kill marine life and pollute the water All of these explain why the sea is polluted (Tất giải thích biển bị ô nhiễm) Lastly , it is animal killing Every day , there are thousands animals are killed for difference animals such as : for food , research , and leather industry …( Mỗi ngày, có hàng ngàn loài động vật bị giết cho động vật khác như: thực phẩm, nghiên cứu, ngành công nghiệp da) Needless to say some species are in danger of extinction All of the explain why the environment is polluted That is all the causes and result of environmental pollution Do you think we should to protect the environment ? My opinion , I think we pople should stop cutting trees for timber, Instead, they should plant more trees and forests We think they should reduce using cars and motorbikes that cause noise and air pollution We should prevent farmers from using fertilizers and pesticides that damage the soil People should not litter on the land and in the water We should prohibit factories from dumping industrial wastes into rivers and lakes It is high time governments over the world had measures that require companies and individuals to stop or cut down on polluting activities Thanks for listening to our speeches !