During the next half century, fossil fuel production will be limited primarily by the amount and characteristics of remaining fossil fuel resources. (rstb.royalsocietypublishing.org)
To avoid the worst impacts of climate change, we need to keep the world's remaining fossil fuels in the ground. (greenpeace.org)
On the contrary, continued development of remaining fossil fuel resources is essential to provide adequate supplies of energy for the world economy across the many decades that this great transformation will require. (rstb.royalsocietypublishing.org)