The whole mass of air surrounding the earth.
The act of cutting don trees.
To damage something.
To keep something from moving or growing.
The complex of a community of organisms and its environment functioning as an ecological unit.
Reducing something to an insufficient amount.
Something sent out or given off.
Energy efficient homes are composed of a network of elements working together to reduce the overall amount of energy consumptions.
The process of slowly destroying the surface through wind and rain.
Fuels (as coal, oil, or natural gas) formed in the earth from planet or animal remains.
A large persistent body of ice (glacier) that is melting.
warming the surface and lower atmosphere of a planet ( as earth or venus) that is caused by conversion of solar radiation into heat in a process invovling selective transmission of short wave solar radiation by the atmosphere, its absorption by the planets surface, and reradiation as infrared which is absorbed and partly reradiated back to the surface by atmospheric gases.
Places where plants and animals are found.
The process of causeing to burn to ashes.
To build operate factories and businesses in a city, region, country, etc.
To make something less harmful.
A form of oxygen that is found in a layer high in the earth's atmosphere.
Unexpected results or consequences of an action.
That can be replaced naturally.
The amount of rain or sno that falls.