Acid rain: Rain that contains large amounts of harmful chemicals as a result of burning substances such as coal and oil.
Noun. Acid rain is falling
Air pollution: Harmful substances in the air, often consisting of waste from vehicles or industry.
Noun. Diesel exhaust is a major contributor to air pollution.
Climate change: Changes in the world's weather, in particular the fact that it is believed to be getting warmer as a result of human activity increasing the level of carbon dioxide in the atmosphere.
Noun: The President called for urgent action on climate change.
Coastal flooding: a situation in which an area is covered with water, especially from rain
Noun.Some roads have been closed because of flooding.
Deforestation: the cutting down of trees in a large area, or the destruction of forests by people.
Deforestation is destroying large areas of tropical rain forest.
Endangered: In danger of being harmed, lost, unsuccessful, etc.
Noun. Social workers who look after abused or endangered children often have stressful days at work.
Fossil fuel: fuels, such as gas, coal, and oil, that were formed underground from plant and animal remains millions of years ago
Noun. That's fossil fuel.
Global warning: a gradual increase in world temperatures caused by gases such as carbon dioxide that are collecting in the air around the earth and stopping heat escaping into space.
Noun. The destruction of the rainforests is contributing to global warming.
Greenhouse gas: a gas that causes the greenhouse effect, especially carbon dioxide.
Noun: We need a global system for limiting greenhouse gas emissions.
Overfishing: catching too many fish in an area of the sea, so that there are not many fish left th
Noun. Is doing overfishing
Solid waste: An unnecessary or wrong use of money, substances, time, energy, abilities, etc
Noun. That meeting achieved absolutely nothing - it was a complete waste of time.
Untreated sawage: An untreated substance is not cleaned and has not had special substances added to protect it or make it safe to use
Noun. untreated water/sewage/waste
Planet: an extremely large, round mass of rock and metal, such as Earth, or of gas, such as Jupiter, that moves in a circular path around the sun or another star.
Noun. Might there be intelligent life on other planets?
Country: An area of land that has its own government, army, etc.
Noun. What is the largest country in Europe?
Flooding: A situation in which an area is covered with water, especially from rain
Noun. Some roads have been closed because of flooding.
Expanding:to increase in size, number, or importance, or to make something increase in this way
Noun. The air in the balloon expands when heated.
