Comments by "Mat Broomfield" (@matbroomfield) on "Heavy snow hits parts of Europe - BBC News" video.
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@turquoiseowl A first year university chemistry can demonstrate a rise in C02 levels by burning fossil fuels. A decent scientist can calculate the C02 output of many of this planet's pollutants: cars, deforestation, fossil fuel burning, dairy farming, etc, and extrapolate that against the volume of Earth's atmosphere. A decent climatologist can map the rise in global C02, normalise it against known solar and volcanic events as well as the wobble of the Earth, and come up with a rate of change compared to previous ebbs and flows in this cycle. It really doesn't seem to me to be particularly remarkable to state as a fact "I know that putting one gram of C02 into a billion litres of atmosphere produces this effect. Mankind is putting this many tons of C02 into this many billions of tons of atmosphere, so when the volumes are scaled linearly, this is the result." Yes, there may be differences in effects at massive scale, but when we have two other planets to study the effcets of probable runaway greenhouse gases (Mars and Venus), I'm not going to gamble the future of the planet that we might somehow be a special case. If this means a gradual transition away from fossil fuels, and recycling, and living in a more eco friendly house, that doesn't seem a high price to pay.
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