Deforestation: the cutting down of trees in a large area, or the destruction of forests by people.

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.

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.

Solid waste: An unnecessary or wrong use of money, substances, time, energy, abilities, etc

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

Acid rain: Rain that contains large amounts of harmful chemicals as a result of burning substances such as coal and oil.

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.

Endangered: In danger of being harmed, lost, unsuccessful, etc.

Country: An area of land that has its own government, army, etc.

Expanding:to increase in size, number, or importance, or to make something increase in this way

Alternatives: An alternative plan or method is one that you can use if you do not want to use another one

Coastal flooding: a situation in which an area is covered with water, especially from rain

Flooding: A situation in which an area is covered with water, especially from rain