Providing an overview of UNEP's activities in 2009, this report looks at a broad range of activities carried out by the organization as it follows its mandate to provide environmental leadership and promote sustainable development. Taking the theme of "Seizing the Green Opportunity", the report provides an overview of UNEP's activities in 2009 through the green economy lens. Highlights of the year include the emergence of green growth initiatives around the world, the innovative approaches to address climate change and ecosystem loss, and the renewed efforts to strengthen international environmental governance.