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We get the energy we require for our everyday needs from many sources, but not all of them are ______.

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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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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.

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

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Individually wrapped candy or chocolate causes a lot of trash, ______ fruits and vegetables are healthier and mean less waste.

Choose the phrase which is closest in meaning to the underlined phrase in the following sentence.

My mom always helps me to keep those plants alive. She definitely has green fingers.