Of Rees, one reads: Prof Rees’ academic work has been widely recognized. He has served on numerous advisory committees and lectured by invitation in 30 countries. Rees is a founding member and former President of the Canadian Society for Ecological Economics; a founding Director of the One Earth Initiative; and a Fellow of the Post-Carbon Institute. He was elected to the Royal Society of Canada in 2006 and, in 2007, was awarded a prestigious Trudeau Foundation Fellowship. In 2012, Prof Rees received an Honorary Doctorate from Laval University, the Boulding Prize in Ecological Economics and a Blue Planet Prize (jointly with Dr Wackernagel). He was elected a full member of the Club of Rome in 2014.
Source: https://www.postcarbon.org/our-people/william-rees/
Among the other features of the "post carbon" folks is that ubiquitous "donate" button because -- money. And one can post on the site for money: "Article Processing Charges (APC) Information"
See: https://www.mdpi.com/apc
And, by the way, the domain which hosts this particular "modern Malthus" is for sale: $94,888 USD.
https://www.domainmarket.com/buynow/mpdi.com
Yup, as the nameservers show nicely: Name Servers: ns1.domain-is-4-sale-at-domainmarket.com ns2.domainmarket.com
Carbon foot print? Actually one follows this back to a money footprint, as happens with so much of the "green" movement.....
Those four and five hundred pound mamas that came up the trail from central and south America to wade across the Rio Grande are really tipping the scales for North America. The Earth should start wobbling at any time now.