Maps show how forests experienced an overall loss of 15 million sq km For comparison, this is equal to the size to the entire state of Alaska Deforestation in the Amazon increased by nearly a Before and After Devastating Deforestation in Photos 10 during an aerial survey mission by Greenpeace over Sumatra island shows an area of rainforest of the Sungai Sembilang National Park Using satellite images, the Global Forest Watch researchers were able to see that 30 million acres of forest were lost around the world in 18 Of that lost 30 million, over 0,000 acres were primary forests Also called oldgrowth forests, primary forests are mature woodlands that haven't been disturbed by human development in recent history
Deforestation Declines In The Amazon Rainforest