Recent reports on global coal reserves, surveyed in previous chapters, generally point to the likelihood of supply limits appearing relatively soon—within the next two decades (a contrary view is represented solely by the BGR report [
"Lignite and Hard Coal: Energy Suppliers for World Needs until the Year 2100 – An Outlook," 2007]). According to this near-consensus, coal output in China, the world's foremost producer, could begin to decline within just a few years. MuseLetter 196.