David S. Reay FRSGS is a climate change scientist, author, and professor of carbon management and education at the University of Edinburgh.

[5][6][7][8] Reay was educated at the University of Essex where he was awarded a PhD in 1999 for research on the utilisation of inorganic nitrogen by bacteria and microalgae.

In addition to his contributions to the understanding of greenhouse gas fluxes, Reay has written widely on climate change policy and society, particularly on individual and community action.

He was also a member of the UK Government's Green Jobs Taskforce and was the creator of the award-winning Master of Science (MSc) course in carbon management at the University of Edinburgh.

film with David Attenborough, and frequently providing expert evidence on climate change to select committees in the Westminster and Holyrood Parliaments.