Overpopulation is having disastrous effects on the environment. The forests are being cut down. The atmosphere is becoming contaminated with increasing amounts of carbon dioxide. The oceans and seas are being polluted and over fished. There are simply too many people on earth. The UNFPA (United ...

Land degradation in Australia is a very serious and difficult environmental problem, as Australia is dependent on agricultural practices. (See land use in Australia.) Urban sprawl, land pollution, salinisation, and soil erosion may cause Land degradation after land clearing, or waterlogging throug...

Organic food comes from processors; growers and importers registered and approved by organic certification bodies. Organic food does not get pesticides or fertilizers used. The product must have a label saying organic and where about is it from. A problem with organic food is that not all ingredient...