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Renewable Energy
Hazardous Waste
Energy and the Environment
Recycling and Waste
Environmental Science
Environmental Issues
Radioactive waste
Radioactive waste is waste type containing radioactive chemical elements that does not have a practical purpose. It is sometimes the product of a nuclear process, such as nuclear fission. The ... > more -
Common ethanol fuel mixtures
Ethanol (ethyl alcohol) and methanol (methyl alcohol) are two types of alcohol fuels. The use of pure alcohols in internal combustion engines is only possible if the engine is designed or modified ... > more -
Flexible-fuel vehicle
A flexible-fuel vehicle (FFV) or dual-fuel vehicle (also sometimes called only flex-fuel) is an automobile that can typically alternate between two sources of fuel. A common example is a vehicle that ... > more -
Solar wind
A solar wind is a stream of charged particles (i.e., a plasma) which are ejected from the upper atmosphere of a star. When originating from stars other than the Earth's Sun, it is sometimes called a ... > more -
Evaporation
Evaporation is one of the two forms of vaporization. It is the process whereby atoms or molecules in a liquid state (or solid state if the substance sublimes) gain sufficient energy to enter the ... > more -
Geophysics
Geophysics, the study of the earth by quantitative physical methods, especially by seismic reflection and refraction, geodesy, gravity, magnetic, electrical, electromagnetic, and radioactivity ... > more -
Greenhouse gas
Greenhouse gases are components of the atmosphere that contribute to the greenhouse effect. Some greenhouse gases occur naturally in the atmosphere, while others result from human activities such as ... > more -
Sewage treatment
Sewage treatment is the process that removes the majority of the contaminants from waste-water or sewage and produces both a liquid effluent suitable for disposal to the natural environment and a ... > more
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