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Tiếng Anh

- The main driver of global warming is the greenhouse effect. Some gases in the Earth's atmosphere act a bit like the glass in a greenhouse, trapping the sun's heat and stopping it from leaking back into space and causing global warming. Many of these greenhouse gases occur naturally, but human activities are increasing the concentrations of some of them in the atmosphere, in particular: carbon dioxide (CO₂), methane…

- Burning coal, oil and gas produces carbon dioxide and nitrous oxide.

- Cutting down forests (deforestation). Trees help to regulate the climate by absorbing CO₂ from the atmosphere. When they are cut down, that beneficial effect is lost and the carbon stored in the trees is released into the atmosphere, adding to the greenhouse effect.

- Increasing livestock farming. Cows and sheep produce large amounts of methane when they digest their food.