Barrage: An artificial bar in a river or dam.
Biochar: a solid carbon negative substance that is generated when organic material is burned in an oxygen free process.
Carbon dioxide: A heavy, colourless, odourless gas present in the atmosphere or formed when anything containing carbon is burnt.
Carbon: a very common chemical element which occurs in combination with other elements in all plants and animals.
Deforestation: Removing trees from a forest on a large scale.
Desertification: the process of turning into arid or desert land.
Emissions control: Regulation of the amount of pollutants released into the air by motor vehicles and factories.
Exhaustible: Opposite of sustainable. Can be exhausted or come to an end and be finished.
Fossil Fuels: Coal, oil or a natural gas. These have been formed over millions of years from the compaction of dead organic matter.
Global Warming: The gradual warming of the Earth’s atmosphere caused by the concentration of gases, esp. carbon dioxide, that absorb heat from the sun.
Green jobs: Jobs that include manufacturing and installing solar panels, wind turbines, insulating homes, etc, but do not require extensive qualifications or high-tech knowledge.
Greenhouse Effect: the absorption and retention of the sun’s radiation in the Earth’s atmosphere resulting in an increase in the temperature of the Earth’s surface.
Greenhouse gas: A gas that warms the atmosphere by trapping heat from the sun and reflecting it back to Earth. Causes the greenhouse effect.
Hurricanes: winds having a velocity of 74 or more miles per hour on the Beaufort scale. Global warming makes them stronger.
Ozone layer: A region of concentrated ozone (O3) in the outer stratosphere which is located about 20 to 40 miles above the Earth’s surface.
Precipitation: moisture in the form of rain, snow, sleet, ice or hail that falls to the Earth.
Pyrolysis: Aan oxygen free burning process.
Salinity: Word that describes salt quality or condition.
Sustainable: To keep going and be able to last forever.
Turbine: An engine or motor in which a wheel with vanes is used to revolve by the force of water, steam or air
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