He has authored and coauthored over 200 peer-reviewed papers in climate, meteorology, oceanography, earth science, policy, education and anthropology journals. He was a lead author in the United Nations (UN) Intergovernmental Panel on Climate Change second, third and fourth scientific assessments and was a Lead Author in the ongoing fifth scientific assessment. This group's work, along with U.S. Vice President Al Gore, was awarded the 2007 Nobel Peace Prize. He was the Chief Editor of the Journal of Climate from 2005-2009.
In 1997, he was awarded the NSERC E. W. R. Steacie Memorial Fellowship, in 2001 he was elected Fellow of the Royal Society of Canada, and in 2002 he received a Killam Research Fellowship and a CIAR Young Explorers award as one of the top 20 scientists in Canada under the age of 40 in 2003.
His book, Keeping Our Cool: Canada in a Warming World, was published by Penguin Canada in 2008. His second book, Generation Us: Global Warming and the Path to its Solution, was published in 2011.
Andrew has been featured in the Peter Mettler film, Petropolis. He is an opinion writer for the Vancouver Sun.