carborexic
carborexic
(ˌkɑːbəˈrɛksɪk)n
a person who is regarded as being obsessed with reducing their carbon footprint
[C21: blend of carbon + anorexic]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014