"As per an expert friend, a period of atleast 30 years should be considered while observing any trend. Though last couple of years have registered drop, overall trend is still towards warming."
I agree though the trend is flat at the moment. I qualify that though by saying ,could you just imagine the media hysteria had that annual temperature change been upwards 0.7C rather than downwards. It seems to me that the burden of proof that mankind is innocent of influencing climate change is always far higher than the opposite. It reminds you of the tactics used during the Iraqi WMD scare, where again they too were guilty until proven innocent despite lots of evidence to the contrary from UN inspectors beforehand. However a political goal was achieved despite destroying Iraq in the process ! For Iraq substitute mankind and you'll get the climate analogy.
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