Deforestation in Amazon Could Reduce Snowfall in Sierra Nevada by 50% The deforestation of the Amazon Rainforest in South America via logging, burning, gold mining, coca plant cultivation, and cattle grazing could reduce California’s Sierra Nevada snowpack by 50% and the Pacific Northwest snowpack by 20% according to a new study published in the Journal of Climate by Princeton University & the University of Miami. […] SnowBrains | November 12, 2013 4 Comments