There is a lot of natural occurring pollution in the united states, however, humans using cars and power plants account for the most pollution combined.
E. coli infections cause most of the enterobacterial infections in the United States
Los Angeles Greater area is the most polluted city in the United States.
Air pollution
cars
the US of A
gasoline
aaron edwardes
The United States
Most deaths from rabies in the United States result from bat bites
United States
Pittsburgh, Pennsylvania, replaced Los Angeles, California for the most polluted city in America.
Yes, British Columbia is a very economy friendly province. If there's pollution, most of it comes from the United States because of factories, usage of too much water, cars, and many more reasons. When the United States puts pollution into British Columbia, they clean it out as fast as they can.