By Rachel Mitchell Text Copyright 2018 by Rachel Mitchell

Changeable weather [Noun] (weather that tends to change suddenly and often).
The heavy rain might settle the changeable weather.
The accident was caused chiefly by the changeable weather.
Mild climate [Noun] (a climate with pleasant conditions).
Japan has a mild climate.
The mild climate lets us enjoy outdoor activities like running, and playing
volleyball all year round.
Endangered species [Noun] (a type of animal or plant that might become extinct).
The giant panda is an endangered species.
Endangered species are those considered to be at risk of extinction. Environmentally friendly [Noun] (not harmful to the environment). Environmentally friendly materials are used to minimize pollution.
The most important quality of bamboo is its environmentally friendly quality.
Exhaust fumes [Noun] (gases, ejected from an engine that is unpleasant, and sometimes dangerous).
Exhaust fumes from cars are poisoning the air of our cities. The air was heavily polluted with exhaust fumes.
Fossil fuels [Noun] (energy resources like gas, coal and oil).
There are three major types of fossil fuels: coal, natural gas, and oil. Most of the fuels people burn are fossil fuels.
Global warming [Noun] (an increase in the amount of carbon dioxide in the atmosphere all-over the world, as a result of greenhouse effect).
The cause of global warming occurs because of greenhouse gases.
Global warming is a very serious problem that our society is dealing with.
Greenhouse effect [Noun] (the rise in temperature of the atmosphere due to the carbon dioxide and other gases).
Greenhouse effect causes global warming.
Earth would be too cold for life to exist without the greenhouse effect.
Natural disaster [Noun] (a natural event such as a flood, earthquake, or hurricane that causes great damage or loss of life).
Almost 15,000 people were killed in the natural disaster.
The flood in 1995 was the worst natural disaster in our country.
Toxic waste [Noun] (industrial or chemical waste materials that are harmful to living things and the environment).
The company was fined $6.5 million for dumping toxic waste into the river. Toxic wastes were detected in the water samples.