The gases and other substances which come from factories using oil, coal and other fuels which are the remains of plants and animals can cause serious damage to the environment. What do you call this kind of fuel?

when an animal's natural living environment is destroyed or altered, making it difficult for them to survive

to put equipment or machinery in place and make it ready to use

Proper ________ ensures that hunting, fishing, and land use are balanced with the needs of nature.

Many companies are developing boxes, cartoons, and cans which can be easily decomposed by organisms such as bacteria, or by sunlight, sea, water, etc. What do you call this type of material?

________ have protested against the use of animals in medical experiments.

Friends of the Earth, Green Peace and other people concerned with protecting the environment are holding a forum in London next month. What do we call these groups?

Polluted precipitation which kills trees falls a long distance away from the source of the pollution. What do you call such precipitation?

The heating up of the earth's atmosphere by pollution is threatening life as we know it. what do we call this phenomenon?

natural substances such as coal, oil, and gas that are burned to produce energy

Farmers have cleared hectares of thick wooded land in tropical regions where the precipitation is very high. What do you call these areas?

to take in or soak up