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.
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
Deserts: an area, often covered with sand or rocks, where there is very little rain and not many plants
Noun. We had to cross a large area of arid, featureless desert.
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.
Greenhouse gas: a gas that causes the greenhouse effect, especially carbon dioxide.
Noun: We need a global system for limiting greenhouse gas emissions.
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.
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.
Overfishing: catching too many fish in an area of the sea, so that there are not many fish left th
Noun. Is doing overfishing
Country: An area of land that has its own government, army, etc.
Noun. What is the largest country in Europe?
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
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.
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.
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?
Efffect.the result of a particular influence
Noun. The radiation leak has had a disastrous effect on/upon the environment.
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.
Alternatives: An alternative plan or method is one that you can use if you do not want to use another one
Noun. An alternative venue for the concert is being sought.
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.
Flooding: A situation in which an area is covered with water, especially from rain
Noun. Some roads have been closed because of flooding.
Desertification: the process by which land changes into desert, for example because there has been too much farming activity on it or because a lot of trees have been cut down
Noun. Madagascar: It is the most eroded country in the world.