For half a century, more than 80 percent of wars occurred within biodiversity hotspots. Scientists knew war forced animal populations to decline, but they didn't know the extent--until now.

By Rashmi Shivni

By all accounts, more than 500 gas wells in an area of eastern Wyoming known as the Jonah Natural Gas Fields have transformed 30,000 acres of rich sagebrush ecosystem into a largely industrial landscape of fuel production.

By PBS News Hour