By 1945, a prolonged drought in Florida spotlighted the first signs of the consequences of altering the environment. Saltwater intrusion became an issue in wells in the southern part of the state, and large wildfires consumed parcels of farmland, destroying the peat which had made the land so fertile.[9] Prior to instituting controlled burns, the state forests and pastures burned for months during the dry season. From the 1940s to the 1970s, the state and federal government assumed control of burning that prevented uncontrolled fires.[15] In 2010, the state burned a record 2,600,000 acres (11,000 km2).[16]