the act of cutting down or burning the trees in an area
deforestation
gas, coal, and oil, that were formed underground from plant and animal remains millions of years ago
fossil fuels
the problem of the slow steady rise in temperature of the earth’s atmosphere, caused by an increase of gases such as carbon dioxide in the air surrounding the earth, which trap the heat of the sun
the greenhouse effect/ global warming
a chemical used for killing pests, especially insects
pesticide
coughing, asthma, and lung cancer are ...
respiratory diseases
Carbon dioxide and Sulphur dioxide are called ...
greenhouse gases/ greenhouse emissions/ toxic gases
the gas or steam that is produced when the engine of a vehicle is running
exhaust fumes
leave trash in a place
litter
fish, and other creatures living in the water
aquatic animal species
to break down something into smaller and simpler parts
decompose
a substance added to soil to make plants grow more successfully
fertilizer
the process by which soil is gradually removed from the surface of the earth by the action of the rain, sea, or wind
soil erosion
materials produced as a result of industrial activity, including solid rocks, chemicals, plastics, and other harmful substances
industrial waste
a synonym of 'produce'
manufacture
an illness usually caused by eating food that contains harmful bacteria
food poisoning