-
fossil fuels
wood is main energy source -
acts
EPA proposes first set of hazardous waste management standards -
acts
Solid Waste Disposal Act Amendments enacted -
fossil fuels
human fossil fuel use emitted 6.4 Petagrams of carbon per year -
fossil fuels
fossil fuels accounted for almost 90 percent of the world's energy production -
petroleum
39 percent of energy used -
natural gas
24 percent of energy used -
coal
24 percent of energy used -
fossil fuels
coal is the dominant fossil fuel -
fossil fuel
33.2 percent of electricity came from coal. -
fossil fuels
The United States has abundant deposits of natural gas and imports less than 4 percent of the total amount consumed annually chiefly from Canada -
regulation
up to 80 percent of listed fossil-fuel reserves may be "unburnable."