Desertification History

The Great Plains in the US is known as the Dust Bowl because of start of desertification. In the 1930s, the Great Plains were subjected to overgrazing and also experienced drought leading to the desertification. This saw many of the people living leaving their farms and homes, and moving to other parts of the country.

Facts About Toxic Waste

The wastes that cause dangerous effects in animals, humans and to plant life are toxin wastes. Generally, these are released from industries as chemical wastes. They contaminate air, water and land. To cleanse environments from these toxins is a very cost involving and cumbersome process.These can also arise from farming, city septic systems, construction, automotive garages, laboratories, or hospitals. This can be in liquid form, or solid form, or mixed up with excretion.