This report provides an overview of success stories from the past few years, illustrating the key role played by Environment Canada in the development and demonstration of practical environmental solutions. The case studies presented in the report provide excellent examples of some of the important work completed in the department's priority areas: climate change mitigation; clean air; fresh water; sound management of CEPA toxics (substances defined as toxic under the Canadian Environmental Protection Act); knowledge management. The annex presents Environment Canada's technology partners and support programs as well as a list of additional technology innovation projects.