tonnes - Billions of _______ of pollution are released into the atmosphere every year, emissions - The _______ from cars and motorbikes are a major cause of air pollution., carbon dioxide - We must reduce _______ in the atmosphere to save our planet., global warming  - Greenhouse gases are a major cause of _______., approximately - There were _______ 36.4 billion tonnes of CO, released in 2019., hectares - Thousands of _______ of rainforest are cut down every day., fossil fuels - We must stop using _______ like coal and oil.,

Unit 4 Lesson 1.1

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