man made climate change

Hi guys back with a new blog n it's ganna be about a very new and a serious topic..........
Virtually every national academy of science on earth agrees. In an urgent letter to the members of the us congress, the leaders of 18 different major scientific associations wrote, " observation though out the world make it clear that climate Change is occurring and rigorous scientific research demonstrates that the green house gases emitted by Human activities are the primary driver "
the earth has experienced cycles of warming and cooling in the past, but experts believe the current warming trend is " proceeding at a rate that is unprecedented in the past 1,300 years for comparison's sake, climate scientists have estimated the planet has previously taken around 5,000 years to recover - by warming between 4-7 degrees Celsius - after an ice age has ended. In the twentieth century alone the average surface temperature increased by around 0.8 degrees Celsius - ice - age recovery and this cycle is rapidly accelerating
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