To access extended pro and con arguments, sources, and discussion questions about whether alternative energy can effectively replace fossil fuels, go to ProCon.org. Whether alternative energy can meet energy demands effectively enough to phase out finite fossil fuels (such as coal, oil, and natural gas) is hotly debated. Alternative energies include renewable sources—such as solar, tidal, wind, biofuel, hydroelectric, and geothermal—and nonrenewable nuclear power. Globally, fossil fuels have been used for energy for much of human history. The Chinese were the first to transition to fossil fuels from wood fire energy. They used coal as early as 2000 bce, natural ...(100 of 262 words) Access the full article Help support true facts by becoming a member. Subscribe today!