Martin Calisto Friant, Kieran Campbell-Johnston, Kaustubh Thapa and Walter Vermeulen have disclosed three inconvenient truths about circular economy practices so far, and policy advises to deal with these.
There is insufficient certainty about the presence of ultra deep heat in the subsurface of Utrecht East for the further development of ultra deep geothermal energy (UDG). This has been shown by seismic research.