After breaking ground on the outdoor classroom and gardens, students at Cochran Elementary School in Dallas celebrate with international environmental artist Wyland as part of the kick-off to the 4th Annual National Mayor's Challenge for Water Conservation on Thursday, April 9, 2015.

Cochran School Assistant Principal Linda Olivarez (left to right), DISD Assistant Superintendent Desiree Aria, Mayor Mike Rawlings, EPA Administrator Gina McCarthy, Cochran School Principal Demarcus L. Goree Watkins, Toyota's Kevin Butt and Region 6 EPA administrator Ron Curry break ground on the outdoor classroom and gardens, students at Cochran Elementary School in Dallas celebrate with international environmental artist Wyland as part of the kick-off to the 4th Annual National Mayor's Challenge for Water Conservation on Thursday, April 9, 2015. 

At the Lamar Buffalo Ranch field campus in Yellowstone National Park, solar panels generate renewable electricity stored within 208 used Toyota Camry Hybrid battery packs.

Re-used Toyota Camry Hybrid battery packs store energy generated by solar panels in an innovative distributed energy system now online at the Lamar Buffalo Ranch field campus in Yellowstone National Park.

At the Lamar Buffalo Ranch field campus in Yellowstone National Park, solar panels generate renewable electricity stored within 208 used Toyota Camry Hybrid battery packs.

Re-used Toyota Camry Hybrid battery packs store energy generated by solar panels in an innovative distributed energy system now online at the Lamar Buffalo Ranch field campus in Yellowstone National Park.

At the Lamar Buffalo Ranch field campus in Yellowstone National Park, solar panels generate renewable electricity stored within 208 used Toyota Camry Hybrid battery packs.

At the Lamar Buffalo Ranch field campus in Yellowstone National Park, solar panels generate renewable electricity stored within 208 used Toyota Camry Hybrid battery packs.

Re-used Toyota Camry Hybrid battery packs store energy generated by solar panels in an innovative distributed energy system now online at the Lamar Buffalo Ranch field campus in Yellowstone National Park.

Yellowstone's Steve Iobst (left) and Toyota's Kevin Butt discuss an innovative distributed energy system now online at the Lamar Buffalo Ranch field campus in Yellowstone National Park.

Toyota's David Absher (left) and Indy Power Systems' Steve Tolen discuss an innovative distributed energy system now online at the Lamar Buffalo Ranch field campus in Yellowstone National Park.

This young red-tailed hawk was found outside its nest by a team member at Toyota Arizona Proving Ground (TAPG). Liberty Wildlife brought the hawk to a rehabilitation center for six months then returned the bird to TAPG for release.

This young red-tailed hawk was found outside its nest by a team member at Toyota Arizona Proving Ground (TAPG). Liberty Wildlife brought the hawk to a rehabilitation center for six months then returned the bird to TAPG for release.

Plastic bumpers covers are shred, then processed into plastic pellets and sold to make other automotive plastic parts. The Toyota/BPS partnership is giving a second life to things that used to be trash. 

Plastic bumpers covers are shred, then processed into plastic pellets and sold to make other automotive plastic parts. The Toyota/BPS partnership is giving a second life to things that used to be trash. 

The bioswale at Toyota's vehicle distribution center in Portland is a series of shallow ditches that help improve the quality of the water flowing into the Willamette River. It also serves as habitat for local wildlife.  #ToyotaEnviroReport