Climate Change : Glossary

There are 65 documents in this section.

  • Ecosystem

    21 February 2001

    A distinct system of interdependent plants and animals, together with their physical environment.

  • Environmental refugees

    21 February 2001

    People forced to leave their homes because of environmental factors such as drought, floods, sea-level rise.

  • Greenhouse gas emissions

    21 February 2001

    The release of greenhouse gases into the atmosphere, causing global warming.

  • IPCC

    21 February 2001

    Intergovernmental Panel on Climate Change - the world scientific body assessing global warming.

  • Monsoon

    21 February 2001

    Particular seasonal weather patterns in sub-tropical regions which are connected with particular periods of heavy rainfall.

  • Montreal Protocol

    21 February 2001

    The International agreement signed in 1987 to limit the production and emission of substances that deplete the stratospheric ozone.

  • Ozone

    21 February 2001

    Form of the element oxygen with three atoms instead of two that characterise normal oxygen molecules. Ozone (O3) is an important greenhouse gas. The stratosphere contains 90 per cent of all the O3 present in the atmosphere that absorbs harmful utltra violet radiation. In the troposphere, O3 is a secondary air pollutant that has adverse impacts on health.

  • Precautionary principle

    21 February 2001

    The principle of prevention being better than cure, applied to potential environmental degradation.

  • Renewable energy

    21 February 2001

    Energy sources which are not depleted by use, for example, hydro-power; PV solar cells, wind power and coppicing.

  • Sequestration

    21 February 2001

    Removal and storage, for example, carbon dioxide taken from the atmosphere into plants via photosynthesis, or the storage of carbon dioxide in old oil or gas wells.