We should: keep our planet clean, protect endangered species of plants and animals, save energy, use less plastic, recycle rubbish, plant new trees, think about the future of our planet, We shouldn't: dump waste imto seas, lakes and rivers, cut down a lot of trees, destroy the animals' natural habitats, be indifferent to environmental problems, hunt animals, throw away rubbish, leave litter after our picnics,

Rainbow7 Unit4 Ecology

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