GWYNNE DYER: The world's temperatures are climbing faster than expected and we don't know why

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GWYNNE DYER: The world's temperatures are climbing faster than expected and we don't know why
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How safe are Halifax's bridges? | SaltWire #halifax #harbour #safety #newstodayWe know that when there was strong warming on our planet , there were sudden big leaps in the global temperature. It wasn’t a smooth process at all.

Whereas if this year’s rate of warming persists, it would give us two full degrees of extra warming by 2034.Add the warming we have already caused , and average global temperature 10 years from now would be 3.5 degrees C higher.Big deal There is a list of likely tipping points that covers all the known contingencies – permafrost thawing, Amazon rainforest dieback, loss of the West Antarctic ice sheet, etc. – but this anomaly doesn’t fit any of the known categories.Scientists simply don’t know what is causing the anomaly, and they don’t like making guesses.

Cutting the sulfur emissions considerably worsened the planet’s energy imbalance , and that translates directly into more heat. Whether that is a big enough change to account for the current anomaly remains to be seen, because measuring cloud effects is a murky business, but that would be a reassuring answer.If it’s the loss of the sulfur dioxide, then at least it’s a known and self-limiting event.

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