7Q9A5478 September 24, 2015 5397 × 3598 7Q9A5478 Since 1978 over 289,000 square miles of Amazonian rainforest have been cut down. Since the year 2000, 75% of that has been for cattle ranching. Cattle ranching and soy represent the largest threats today to the Amazon. Like this:Like Loading... Take Others Down the Road Less TraveledRedditFacebookTwitterLike this:Like Loading...