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100

Definition: rain that contains dangerous chemicals from pollution.
Sentence: _____ ______  will damage forests if factories do not reduce emissions.

Acid rain

100

Definition: energy produced by the wind.
Sentence: ____ _____ will power many cities in the future.

Wind energy

100

Definition: long-term changes in the Earth’s climate caused by pollution.
Sentence: ____ ______ will affect weather patterns all over the world.

Climate change

100

Definition: energy from the sun.
Sentence: Homes will use ____ _____ in the future.

solar energy

100

Definition: waste that people throw away.
Sentence: Cities will produce more ______ if everyone's consumption increases.


garbage/rubbish

200

Definition: accidents where oil enters the sea.

Sentence: ___ _____ will destroy marine life if safety does not improve. Hopefully failures in the extraction of petroleum would be less in the future.

oil spills

200

Definition: made to be used once and thrown away.
Sentence: Hopefully in the future, people will avoid using ______ products such as plastic spoons and forks.

disposable

200

Definition: dangerous energy from nuclear materials.
Sentence: _____ ______ will remain a serious risk for years and other countries have had the experience of its horror!

Nuclear radiation

200

Definition: the protection of nature and natural resources.
Sentence: People will focus more on _______ to protect the planet once they realize that it's for the benefit of the future generation.

conservation

200

Definition: energy that never runs out, like sun or wind.

Sentence: For sustainability, I hope countries will depend more on _____ ______ instead of using up fossil fuels.

renewable energy

300

Definition: the process of making the environment dirty or unsafe.
Sentence: ________ will increase unless people change their habits in throwing their rubbish.

Contamination

300

Definition: dirty air caused by pollution.
Sentence: Usually,  ______ increases if traffic grows because the amount of pollution vehicles release.

smog

300

Definition: not harmful to the environment.
Sentence: More companies will design _____-_____ products such as bags and shoes made from recycled materials.

eco-friendly

300

Definition: illegal hunting of animals.

Sentence: _____ will continue and many animals won't be protected unless governments act strongly.

poaching

300

Definition: when a species disappears completely.
Sentence: Several animals will face ______ in the coming years due to humans' carelessness.

extinction

400

Definition: a place where waste is buried.
Sentence: Cities will need more _____ _____ if recycling does not improve.

landfill site

400

Definition: the process that traps heat in the Earth’s atmosphere.
Sentence: The ______ ______ will intensify if emissions rise.

greenhouse effect

400

Definition: a car that uses fuel and electricity.
Sentence: Many families will buy and use a _____ ______ as their main mode of transportation to reduce pollution.

hybrid car

400

Definition: animals or plants that may disappear forever.
Sentence: Many ______ ______ of animals will disappear if humans do nothing.

endangered species

400

Definition: a substance that makes air, water, or land dirty.
Sentence: New laws will limit the use of dangerous ________ such as toxic chemicals thrown in bodies of water.

contaminants

500

Definition: the natural world around us.

Definition: causing little or no harm to nature.

Definition: related to the protection of nature.


Sentence: In the future, people will take care of the _________ by using more ________ ________ products and following _________ rules.

environment, environmentally friendly, environmental

500

Definition: not damaging to the ozone layer.
Definition: a layer of gas that protects Earth from the sun.
Sentence: Governments will produce _____-______  chemicals to protect the _____ ______ from further damage.

ozone-friendly, ozone layer

500

Definition: to make air, water, or land dirty.

Definition: damage to the environment caused by waste and chemicals.


Sentence: 

Factories will have to use new technologies so they do not ______ rivers and increase ______.


pollute, pollution

500

Definition: a bin used for recyclable waste.

Definition: to reuse materials instead of throwing them away.

Definition: able to be reused after processing.


Sentence: Students must put all paper and plastic in the ______ _______ so we can ______ more _______ materials.

recycling container, recycle, recyclable

500

Definition: the cutting down of large areas of forest.

Definition: planting trees in areas without forests.

Sentence: To avoid losing more trees, communities will fight ________ and promote ________ to save forests for the future

deforestation, reforestation

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