Highlighting the broad mix of approaches required to tackle the climate challenge, the Pew Center produced nearly 100 peer-reviewed reports and a broad collection of white papers and briefs by noted climate experts covering a range of critical topics including economics, environmental impacts, policy, science, business, and technology. The Pew Center regularly testified before the United States Congress and met with others to share ideas for addressing climate change. The Pew Center also was engaged with governments and business in exploring options for a post-2012 international climate agreement