Pesticides

Discontinuation of farming is the only solution to the problem of water pollution.

If the use of pesticides is banned, the pollution of water supplies will stop. 

The high toxicity of the water supplies in Greyland implies an over-reliance on pesticides.

Because Wilbur County farmers use pesticides, its water supplies must be polluted.

Only when pesticides are used extensively in farming do the water supplies get polluted. 

Since extensive quantities of pesticides have been used over the years in Lubbock, the water supplies must be polluted.