Acid rain: Rain that contains large amounts of harmful chemicals as a result of burning substances such as coal and oil
Part of speech: noun. I have never experienced acid rain
Air pollution: Harmful substances in the air, often consisting of waste from vehicles or industry
Part of speech: noun. Cars pollute the air a lot :(
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
Part of speech: noun. Climate change is getting worse
Coastal flooding: Coastal flooding is rare in many countries and common in Africa.
Part of speech: noun. The word had no meaning I made it up myself
Deforestation: The cutting down of trees in a large area, or the destruction of forests by people
Part of speech: noun. Deforestation is destroying large areas of tropical rain forest.
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
Part of speech: noun. Too much cultivation hurts
Endangered species: A type of animal or plant that might stop existing because there are only a few of that type alive
Part of speech: noun. If we continue like this, all animals are in danger of extinction.
Fossil fuels: Fuels, such as gas, coal, and oil, that were formed underground from plant and animal remains millions of years ago
Part of speech: noun. Fossil fuel is natural
Global Warming: The destruction of the rainforests is contributing to global warming.
Noun. The destruction of the rainforests is contributing to global warming.
Greenhouse gas: A gas that causes the greenhouse effect, especially carbon dioxide.
Noun. The greenhouse gases are destroying our atmosphere.
Overfishing: Catching too many fish in an area of the sea, so that there are not many fish left there.
Noun. Low fish stocks caused by overfishing.
Solid waste: Any garbage or refuse, sludge from a sewage treatment plant, water supply treatment plant, or air pollution control facility, and other discarded materials.
Noun. We acknowledge that we have a big challenge in managing solid waste.
Untreated sewage: Wastewater which contains harmful waterborne pathogens and bacteria and which has not yet gone through a sewage treatment plant.
Noun. Sources of pollution include untreated sewage, agricultural run-off and chemical pollution.
The gas formed when carbon is burned, or when people or animals breathe out.
Noun. Plants absorb carbon dioxide during photosynthesis.
Melting: A melting look or voice makes you feel sympathy or love.
Noun. The melting of glass is carried out in a furnace.
Burning: Producing flames.
Noun. A man staggered from the burning car.
