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Biogas Digester
Biogas is the gas produced from the rotting of organic matter in conditions that favor the growth of anaerobic bacteria. A number of bacteria flourish in the absence of light and oxygen. These bacteria digest natural organic material in swamps, bogs, ...
- Energy Agreements and Organizations
- Best Management Practices
- CAFE Standards
- Carbon Tax
- Carbon Trading and Offsetting
- Department of Energy, U.S.
- Federal Energy Regulatory Commission
- Feed-In Tariff
- Intergovernmental Panel on Climate Change
- Internal Energy Market
- International Renewable Energy Agency
- Kyoto Protocol
- LEED Standards
- Oil Majors
- Organization of Petroleum Exporting Countries (OPEC)
- Public Utilities
- Renewable Energy Portfolio
- World Commission on Environment and Development
- Yucca Mountain
- Energy Challenges
- Arctic National Wildlife Refuge
- Automobiles
- Caspian Sea
- Chernobyl
- Chlorofluorocarbons
- Climate Change
- Combustion Engine
- Dioxin
- Exxon Valdez
- Fossil Fuels
- Global Warming
- Greenhouse Gases
- Insulation
- Metric Tons of Carbon Equivalent (MTCE)
- Mountaintop Removal
- Natural Gas
- Nitrogen Oxides
- Nonpoint Source
- Nonrenewable Energy Resources
- Nuclear Power
- Nuclear Proliferation
- Offshore Drilling
- Oil
- Oil Sands
- Oil Shale
- Petroviolence
- Sulfur Oxides (SOx)
- Sustainability
- Three Gorges Dam
- Three Mile Island
- Uranium
- Volatile Organic Compound (VOC)
- Waste Incineration
- Exergy
- Food Miles
- Heating Degree Day
- Hubbert's Peak
- Radiative Forcing
- Risk Assessment
- Total Primary Energy Supply
- Energy Solutions
- Alternative Energy
- Alternative Fuels
- Appliance Standards
- Berlin Mandate
- Bicycles
- Biodiesel
- Biogas Digester
- Biomass Energy
- Carbon Emission Factors
- Carbon Footprint and Neutrality
- Carbon Sequestration
- Climate Neutrality
- Coal, Clean Technology
- Combined Heat and Power
- Compact Fluorescent Bulb
- Daylighting
- Electric Vehicle
- Energy Audit
- Energy Policy
- Environmental Measures
- Environmental Stewardship
- Environmentally Preferable Purchasing
- Ethanol, Corn
- Ethanol, Sugarcane
- Flex Fuel Vehicles
- Gasohol
- Geothermal Energy
- Green Banking
- Green Energy Certification Schemes
- Green Power
- Green Pricing
- Hydroelectric Power
- Hydrogen
- Innovation
- Landfill Methane
- Microhydro Power
- On-Site Renewable Energy Generation
- Plug-In Hybrid
- Public Transportation
- Recycling
- Renewable Energies
- Solar Energy
- Solar Thermal
- Tidal Power
- Wave Power
- Wind Power
- Wood Energy
- Zero-Emission Vehicle
- Batteries
- California
- Columbia River
- Electricity
- Embodied Energy
- Emission Inventory
- Emissions Trading
- Energy Payback
- Energy Storage
- Entropy
- Flaring
- Forecasting
- Fuel Cell
- Fusion
- Gasification
- Grid-Connected System
- Heat Island Effect
- Home Energy Rating Systems
- Life Cycle Analysis
- Metering
- Photovoltaic (PV)
- Pipelines
- Power and Power Plants
- Smart Grid
- Solar Concentrator
- Wind Turbine
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