Desertification: The process by which a desert grows or a region becomes a desert

Cutting: He can be very cutting when he chooses to be!

Untreated Sewage: sewage that has not been processed to remove contaminants

Solid Waste: It also reduced the use of raw materials and the production of solid waste by 1,400 tonnes, carbondioxide emissions by 670 tonnes and water use by 70,000 cubic metres.

Endangered Species: A species of animal or plant that is at risk of extinction

Overfishing: The act of catching too many fish so there are not many left

Melting: A melting look or voice makes you feel sympathy or love.

Greenhouse Gas: Any of the gases that trap heat in the atmosphere and contribute to global warming

Frozen: They skated over the frozen lake.

Air Pollution: The data provides "compelling" evidence that particulates in air pollution may trigger a heart attack.

Burning: A man staggered from the burning car.

Fossil Fuels: A natural fuel, such as coal or oil, farmed far underneath the ground and over millions of years from the remains of living things

Climate Change: The President called for urgent action on climate change.