He is the author of popular books including The Human Planet and Cradle of Humanity, he has also written a number of papers and popular articles (e.g. for New Scientist, The Times, Independent and Guardian), and appeared in the media. His popular book Climate Change: A Very Short Introduction has sold over 50,000 copies.
Mark spent years looking into the use of satellite data to monitor the surface of the Earth, with a particular interest in understanding climate change and its implications, and developed a system that translates different datasets into a common format so any spatial data can now be combined to give us new insights about the state of our planet and how this relates to anything from plant growth to human health.
In 2011, he was granted a Royal Society Wolfson Research Merit Award for the study of early human evolution in East Africa. In 2012, he co-founded Rezatec, a geospatial AI leader for businesses in water, forestry, agriculture and energy.