is a strong smelling, colorless gas that is formed by the combustion of fossil fuels. Power plants, which may use coal or oil high in sulfur content, can be major sources of SO2. SO2 and other sulfur [..]

An online environmental dictionary for your reference. This is an external resource and is not endorsed by TERI. TERI is not responsible for the content available on this web site. This link will open [..]

is the material that is more directly derived from plant and animal sources, which can generally be decomposed by microorganisms.

is the gaseous mass or envelope of air surrounding the Earth. From ground-level up, the atmosphere is further subdivided into the troposphere, stratosphere, mesosphere, and the thermosphere.

is the result of unequal heating of the earth's atmosphere, as a function of terrain, latitude, time-of-year and other secondary factors.  

is the level of ground water.

is the physical and chemical breakdown of rocks due to natural process.

are the carbon-containing compounds that evaporate into the air (with a few exceptions). VOCs contribute to the formation of smog and/or may themselves be toxic. VOCs often have an odor, and some exam [..]

is the gaseous phase of liquids or solids at atmospheric temperature and pressure.

is any of a major group of animals (fish, amphibians, reptiles, birds and mammals) with a segmented spinal column (backbone).