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Published: Monday 15 July, 2013

canada goose coats women canada goose coats women Does our atmosphere ever refresh itself and get cleaner by removing the greenhouse gases



Yes, greenhouse gasses are absorbed or broken down. The timescales and mechanisms vary. For example, m canada goose coats women ethane, a very powerful greenhouse gas, breaks down on a timescale of about ten years. Carbon dioxide is in a continuous exchange between the atmosphere and living things. However, the exchange is pretty well balanced, so when we put excess CO2 into the atmosphere, it tends to stay there. The ocean does tend to act as a long term sink, as carbonates sink to the sea floor. But the timescale of this extractio canada goose coats women n is more like 100,000 years. And it gets less efficient as the ocean gets warmer.



What would the Earths average global temperature be without greenhouse gases?



Australian scientists are trying to give kangaroostyle stomachs to cattle and sheep in a bid to cut the emission of greenhouse gases blamed for global warming. Kangaroo farts contain no methane. What is your reaction to this news?Humour permitted



Although still a controversial subject, there is a growing consensus that globa canada goose coats women l climate changes are being caused by environmental pollution, especially by greenhouse gases. Do we need to take more urgent action to halt this trend? canada goose coats women

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