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If ______ more recycling bins in the area, there will be less trash.

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The coastal waters here have a complex ______ which includes thousands of plant and animal species.

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Recycling provides a method of reducing the amount of waste materials that gets to the landfills – thus ______ it less probable for environmental pollution to take place.

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The effects of ______ are the environmental and social changes caused (directly or indirectly) by human emissions of greenhouse gases.

Choose the word which is opposite in meaning to the underlined word in the following sentence.

These toxic chemicals will contaminate the groundwater and make it unsafe for drinking.

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I am sure that if we persuade them, they ______ their bad lifestyle.

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If wastes are thrown ______, they can cause pollution in water, land and air.

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Ann: I think we should ban single-use plastic.

Bill: ______. Plastic makes life more convenient.