Before joining the United Nations, he was the Environment and Technology correspondent at The Times from 1989, having worked for various newspapers and magazines including The Daily Telegraph, The Independent the Evening Standard and London Evening News, Woman and Cosmopolitan. Nuttall was known at The Times for some of the more exotic front-page stories and is thought to be the only journalist in the UK to have a story about a former hairdresser from Hartlepool who had invented a heat shield or coating for the US space shuttle based on doing perms in his salon—printed on 1 April with the Editor's caveat 'This is not an April Fool.' Nuttall has won various awards including one of the inaugural BT technology journalist of the year awards for a feature in The Times on Teledildonics and The Tidy Britain Group's Queen Mother's Birthday Awards.
Nuttall joined the United Nations Environment Programme in 2001. He was, until December 2013, the spokesperson, principal speechwriter and creative writer for UN Under-Secretary General and UNEP Executive Director, Achim Steiner. Nuttall joined UNEP in 2001 working for former UNEP Executive Director and former German Minister of the Environment, Klaus Töpfer and is credited with collaborating with Töpfer to develop the UNEP theme "Environment for Development" in order to re-position UNEP in the early 21st century. During his time at UNEP, Nuttall was responsible for transforming the organization's media profile and, in collaboration with its Executive Director, inspiring several landmark reports including the 2009 Climate Change Science Compendium; the Natural Fix The Role of Ecosystems in Climate Mitigation and the Dead Planet, Living Planet: Biodiversity and Ecosystem Restoration for Sustainable Development. He also spearheaded the communications aimed at popularizing the concepts and ideas behind UNEP's Global Green New Deal/Green Economy Initiative.
In January 2014, he joined UN Framework Convention on Climate Change. He was responsible for supporting the press and communications of Executive Secretaries Christiana Figueres and Patricia Espinosa and across the Framework Convention’s operations. He was the UN's Spokesperson for the securing of a new universal climate agreement at the 2015 United Nations Climate Change Conference in Paris. Global Climate Action Summit Nuttall became Director of Communications and Spokesperson for the which took place in September 2018 joining the team in March 2018. Here he coordinated the communications efforts of business, cities, regional governments and citizens across a bold range of announcements aimed at Taking Climate Ambition to the Next Level by 2020. Nuttall participated in the which left San Francisco after the Summit and took the outcomes of GCAS in an electric car journey across the United States to the UN in New York in September 2019. Nuttall is currently working as Strategic Communications Director at the for its 50th anniversary in 2020 while also advising which specializes in video and digital marketing.
