1/ deforestation/some rare species animals/vanish/some/danger
2/ We/walk or cycle/work/good/health/precious enviroment
3/ Mass industrialization/consider/one of the main causes/air pollution
4/ he/avoid/go out/rush/there/so much harmful dust/smike/emit.vehicle/cars,trucks,motobiles,etc/ that time
5/ One of the useful easy way/save energy/use electic appliances/economical.
6/ Burn/fossi fuels/seem/the basic cause/green house/big problem/earth.
