They called it a “ground breaking study,” I call it rubbish. This new study claims that global warming began in 1830 just when the industrial revolution began to pick up steam (no pun intended). What they didn’t take into account was just around the same time the Earth was coming out of an unusually cold 40-year period caused by low sunspot activity called the Dalton Minimum (no relation to Timothy Dalton).
An international team of scientists, led by Associate Professor Nerilie Abram from the Australian National University, have analysed detailed reconstructions of climate going back 500 years. To their surprise, they’ve found that the current global warming trend began in the 1830s, further confirming that it is an anthropogenic, or human-induced, phenomenon. The study was published today in Nature.
“If we know when global warming started, we know what the actual rates of warming are and we know when our climate is emerging above natural variability,” McGregor explains.
The scientists go on to explain they created a climate model (which have proven to be very flawed–for example none of these models have figured why the earth hasn’t warmed in over 18 years.). So to create this model they took into account other account climate model simulations and experiments (that’s right a flawed climate model using data from a flawed climate model–almost like a double negative), major volcanic eruptions and, most importantly…
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