McKay, who was also Deputy Chairwoman of Clean Up the World from 1993–2009, told ABC radio that: "The belief that everyone can make a difference is a driving theme behind my actions.
She worked in close collaboration with the Executive Producer and the Race Director Mark Burnett to ensure the successful operation of the extreme sports event, held annually in remote locations around the world, including Morocco and Patagonia.
[citation needed] In 2004, McKay returned to Australia to start Momentum2,[5] a Sydney-based marketing and communications agency specialising in major events, corporate sustainability and social responsibility programs.
[6] McKay co-created The Genographic Project with population geneticist Dr Spencer Wells for the National Geographic Society, in partnership with IBM.
[2] McKay is a media commentator on practical environmental action and is a public speaker addressing business and not-for-profit conferences, as well as schools and community groups.
She presented a series of on-camera "True Green Tips" for Sky News in Australia (as part of the weekly Eco Report in 2009), co-authored a weekly "True Green" column for The Sunday Telegraph (Sydney) Body and Soul section in 2007 and was named one of G Magazine's Top 20 Australian Eco Heroes in November 2009.
She was the master of ceremonies at the media conference for "Oprah's Ultimate Australian Adventure" at the Sydney Opera House, in December 2010.
[citation needed] In 2008, she travelled to Antarctica as part of the Expedition Team, lecturing on board the Australian-based cruise ship ORION.