In addition, EPA's and USDA's relevant authorities cover a range of natural resources and their supporting ecosystems, including waters, sediments, barrier islands, wetlands, soils, land management, air resources, and drinking water supplies.

WHITEHOUSE: Executive Order -- Gulf Coast Ecosystem Restoration

Brazil also has a generous land to people ratio, with a large basket of natural resources, including petroleum, for a population that is relatively small (200 million) compared to China and India.

CNN: Does Brazil deserve its 'B' for BRIC?

Climate change effects on groundwater resources are, therefore, closely linked to other global change drivers, including population growth, urbanization and land-use change, coupled with other socio-economic and political trends.

UNESCO: Climate Change Effects on Groundwater Resources: A Global Synthesis of Findings and Recommendations | United Nations Educational, Scientific and Cultural Organization