Acid Rain – rain, snow, fog or dust with a pH below 5.

Agenda 21 – a commitment to move towards sustainable development at government and local level.

Alien Species – a plant or animal that moves from its original habitat into a new area.

Alternative Energy – does not deplete natural resources and does not harm the environment, for example, solar power.

Biodiversity – the variety of species found in a particular area.

Bio-fuels – energy generated from organic matter (biomass), including wood and crops.

Carbon Footprint – the impact of human activity measured in carbon dioxide units.

Carbon Offsetting – removing the same amount of carbon from the atmosphere as produced by an activity such as air travel.

Conservation – protection of the environment and natural resources of the earth including plant and animal life.

Coral Bleaching – when sea temperatures rise, the coral die and lose their colour.

Deforestation – loss of forest due to climate change or the use of trees without replacing them.

Direct Action – the use of violent or non-violent methods to influence a political decision.

Ecosystem – all living and non-living things in a particular environment and the way they work together.

Ecotourism – responsible travel to natural areas that conserves the environment and the well-being of the local culture.

Endangered – when the numbers of a species are so low or it is facing such severe threats it may become extinct.

Environmental Refugees – people displaced by environmental disasters caused by climate change.

Extinct – the total disappearance of a particular type of living organism.                      

Fossil Fuel – fuel formed from the remains of ancient plants and animals.

Geothermal Energy – energy obtained from rock heated by earth’s core.

Global Citizen


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