BRASILIA, Brazil (AP) — Deforestation in Brazil's Amazon rainforest has dropped to its lowest level in 24 years, the government said Tuesday.

Satellite imagery showed that 1,798 square miles (4,656 square kilometers) of the Amazon were deforested between August 2011 and July 2012, Environment Minister Izabella Teixeira said a news conference. That's 27 percent less than the 2,478 square miles (6,418 square kilometers) deforested a year earlier. The margin of error is 10 percentage points.

Brazil's National Institute for Space Research said the deforestation level is the lowest since it started measuring the destruction of the rainforest in 1988.