​  Pollutions

Fast Facts!

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

a) In developing countries, 70 percent of industrial wastes are dumped untreated into waters, polluting the usable water supply.

 

b) On average, 99 million pounds (45 million kilograms) of fertilizers and chemicals are used each year.

 

c) Portland, Oregon, is actively pursing “green roofs” and “green streets” to prevent sewer overflows into the Willamette River. Chicago, Illinois, now has more than 517,000 acres (209,222 hectares) of vegetated roofs—more than any other U.S. city—which are helping to catch storm water, cool the urban environment, and provide opportunities for rooftop gardens.