to water degradation. Another approach is water privatization; despite its economic and cultural effects, service quality and overall quality of the water can be more easily controlled and distributed. Rationality and sustainability is appropriate, and requires limits to overexploitation and pollution and efforts in conservation. See also Anthropocene Environmental change Environmental issues Ecological collapse Ecologically sustainable development Eco-socialism Exploitation of natural resources Human impact on the environment I=PAT Restoration ecology United Nations Decade on Biodiversity United Nations Development Programme (UNDP) United Nations Environment Programme (UNEP) World Resources Institute (WRI) Sources References External links Ecology of Increasing Disease Population growth and environmental degradation Environmental Change in the Kalahari: Integrated Land Degradation Studies for Nonequilibrium Dryland Environments in the Annals of the Association of American Geographers Public Daily Brief Threat: Environmental Degradation Focus: Environmental degradation is contributing to health threats worldwide Environmental Degradation of Materials in Nuclear Systems-Water Reactors Herndon and Gibbon Lieutenants United States Navy The First North American Explorers of the Amazon Valley, by Historian Normand E. Klare. Actual Reports from the explorers are compared with present Amazon Basin conditions. Environmental Degradation Index by Jha & Murthy (for 174 countries) Environmental issues