[7] During his time at Carrier, he co-founded the U.S. Green Building Council (USGBC) along with David Gottfried and Mike Italiano in April 1993.

At the American Institute of Architects (AIA), they assembled 60 firms and several non-profits to discuss the need to commit to sustainable building practices,[9] which led to the creation of Leadership in Energy and Environmental Design (LEED) in 2000.

The IWBI seeks to lead the global movement to transform buildings, communities and organizations with a people and well-being first approach.

[14] When Leonardo DiCaprio released his documentary, The 11th Hour, in 2007 about the grave state of the global warming crisis, Fedrizzi was chosen to be interviewed as an expert, along with other leading politicians, scientists and environmental activists.

In the book, he envisions how environmentalists and industry don't have to compete, but can unite to create a sustainable future and fight climate change.

He points out how sustainability can create economic growth by eliminating waste and doing things more efficiently which ultimately save money.