T he i mpac t o f human acti vi ti es on t he en vi r onment
A. D EFO REST ATI ON
Def or est ati on t o ge t m ore la nd !
Des ert if ic at io n a s a r esu lt of ov er c ut ti ng of t re e
Th e f or ests a re na tu ra l ha bit at of m an y o rg an ism s.
B. POLL UTI ON
Ai r pol lut ion
Mos t a ir po llut an t c om e f ro m v eh ic les in th e cit ie s.
Ma ny sec on dary p ollu ta nts ar e r el ea se d f ro m t he fact ory .
Land pol lut ion
Ful l of r ub bi sh : box es, p ap er , plast ic ba gs, dirty w at er an d ot he r thi ng s.
Water pol lut ion
Man y r ub bi sh o n th e sa nd af ter a typ ho on
Ther e a re many ru bb is h i n ou r b ea ut ifu l Vic tor ia har bo r.
Noi se pol lut ion
Aircra ft tak in g of f a nd l and ing at t he airp ort .