"Solar power." . . . . "Food supply." . . "Agricultural conservation." . . "Hydrogen power." . . "Wave energy." . . "Population growth." . . "Nuclear power." . . "Natural resources." . . . . . . . . "Global resources : opposing viewpoints"@en . "Global resources opposing viewpoints"@en . "Global resources : opposing viewpoints" . . . . . . . . . . . . . . . "Global resources"@en . "Global resources" . "Authors debate the depletion and the protection of global resources, the benefits of the world's agricultural policies, and the need to pursue energy sources." . . . "Presents a collection of essays exploring varying viewpoints on natural resources." . "Presents a collection of essays exploring varying viewpoints on natural resources."@en . . . . . . . . . . "Global resources [pbk]"@en . . . . . . . "Wind power." . . "Energy conservation." . . "Free trade." . . "Sustainable development." . . "Rain forests." . . "Genetically engineered food." . . "Environmental protection." . .