However, that choice could increase the likelihood of oil spills on land and into streams, potentially threatening drinking and irrigation water on the drought - suffering plains. (treehugger.com)
That has many environmentalists worried about the threat of spills in this pristine wilderness - and the reckless gamble with a climate change shock. (earthtimes.org)
Other challenges have come from the recent economic downturn and the BP oil spill in 2010. (fooddrink-magazine.com)