Mesa Mayor Mark Freeman joined over 600 leaders across the U.S. that have restored more than 6,500 acres of monarch habitat.

Arizona is home to a vast array of insects ... They are not harmful to humans or pets, but they can damage crops. Caterpillars with black bodies and white/yellow/blue markings.

In both Illinois and Arizona, the folks at Caterpillar have their sights set firmly on the future. It'll be interesting to see what else emerges from the two Proving Grounds in the coming years.

Like an arms race': Arizona farmers fear the long-term effects ... the only plant monarchs use to lay eggs and monarch caterpillars consume. Under this initiative, Freeman will commit to at ...