2008 Pesticide Environmental Stewardship Program (PESP) Champion. In December 2008, The IPM Institute of North America, Inc. (the operator of Green Shield Certified) received the US EPA's Pesticide Environmental Stewardship Program (PESP) Champion Award. Named one of six "most dedicated environmental stewards," the IPM Institute was recognized for its efforts to improve the economic benefits associated with IPM adoption and reduce the risk to health and the environment.