why people worry about environmental problems nowadays what

1.Threat to human life, pollution of its habitat, the gradual the depletion of natural resources and a number of other factors caused the global the ecological crisis that threatened the very existence of mankind.Environmental threat is now so great that can be put in one row with the danger of nuclear war. Many scholars believe that environmental watch the disaster is already running and started to count down the time.

2)In my hometown associated with soil erosion,dirty air and debris in the Seating areas. As well as observed the water and atmospheric problems. I and my friends are unable to prevent such detrimental influences of man on nature,but we also try not to litter outdoors,and also remove someone else's rubbish if we see him in the area of your stay