http://earthjustice.org/news/press/2012/u-s-scientists-record-greatest-earliest-loss-of-arctic-ice-ever

This article is about scientists recording the largest ice melt in history and why such an event is happening.

http://discovermagazine.com/2012/mar/09-attack-of-the-flying-invasive-carp

This an article that discusses the problems that have developed in midwestern rivers brought on by the introduction of two asian species of carp.

http://www.npr.org/2012/12/05/166574589/in-arid-west-cheatgrass-turns-fires-into-infernos

This article discusses the affects cheatgrass has on the amount of wildfires that occur in the western United States.