about 60% of the warming observed from 1970 to 2000 was very likely caused by the above natural 60-year climatic cycle during its warming phase" (loehle and scafetta)
about 60% of the warming observed from 1970 to 2000 was very likely caused by the above natural 60-year climatic cycle during its warming phase" (loehle and scafetta)
intergovernmental panel on climate change:190
it is extremely likely (95-100% probability) that human influence was the dominant cause of global warming between 1951-2010.