Coal, oil and natural gas reserves
Fossil Fuels
Residual
Oil Dark
Oil Fingerprinting
Oil Spill
Gasification
Fuelwood
Cyclone Collector
Discharge
Fly Ash
Cap Rock
Dispersant
Skimming
Other equities (and shares)
Shares and other equities
Desulphurization
Absorption
Assimilation
Hydrogenation
Natural Gas
New and Renewable Energy Sources
Preliminary Treatment
Combustion Equipment
Sinking
Environmental Restoration
Air Curtain
Carbon Tax
Energy Sources
High-level Radioactive Waste
Economic territory (of a country)
Excise duties
Profits of fiscal monopolies
Deposit-refund System
Detergent
End-of-pipe technology
Genuine Saving
Material flow accounts
Materials and Energy Balances
Selective Cutting
Sorption
Waste
Area Source
Carbon Dioxide (CO2)
Carbon Monoxide (CO)
Catalytic Incineration
Closed Ecological System
Flue Gas Desulphurization (FGD)
Nuclear Waste Pollution
Photochemical Air Pollution
Process Weight
Smelting
Sulphur Dioxide (SO2)