Malthus published an article in 1789 stating that the human population is growing arithmetically. Cornucopians are people who believe that the shear number of people aren't a problem, but that greater technology and innovation will easily sustain larger populations. Gene guns are used to transfer genetic information to various plants. The pioneer mentality should be continued while working toward a sustainable development. One method of reducing soil erosion, where farmers plant on hillsides is termed terracing.
Soil erosion claims over a billion acres cropland annually around the globe.
Wetlands are boring areas with little or no importance. The destruction and fragmentation of habitat is one major threat to biodiversity. Acid deposition from the release of nitrogen and sulfur oxides have caused dramatic ecological effects in the United States. The former Soviet Union has experienced a significant boost in agricultural production since 1989. Chronic malnutrition is a difficult and pervasive problem resulting in a food security crisis in mainly LDCs.