Will renewable energy sources help resolve global problems? -- Renewable energies will halt climate change / Renewable energies will not halt climate change / Relying on renewable energies would damage the earth / Renewable energies will stabilize energy prices / Renewable energies will increase energy prices / Renewable energy sources have enormous land footprints / Land footprints of renewable energy sources are exaggerated / What must be done to transition from nonrenewable to renewable energy? -- Large scale renewable energy projects are necessary / Small scale renewable energy projects will democratize energy / Renewable energy sources can satisfy energy demands / Renewable energy sources cannot satisfy energy demands / Renewable energy sources work best if supplemented with nuclear power / Renewable energy sources work best if supplemented with natural gas / What renewable energy sources are viable parts of the world's energy future? -- The biofuel future / Biofuels are not a viable renewable energy / Ethanol provides a sustainable alternative to gasoline -- American Coalition for Ethanol -- Ethanol does not provide a sustainable alternative to gasoline / Electric vehicles are worthwhile alternatives to fossil-fuel vehicles / Electric vehicles are not worthwhile alternatives to fossil-fuel vehicles / What should be government's role in promoting renewable energies? -- US government support for renewable energies will benefit the country / US government support for renewable energies will not benefit the country / Renewable energies need government subsidies to succeed / Eliminating all energy subsidies will benefit renewable energies