It is a race.
The massive expense of building pipelines guarantees decades of continued burning of carbon energy with the countless secondary expenses that will be needed to be borne by the greater society.
Every delay is a chance for rational energy systems to be developed.
The owners of the largest companies in the US are dismayed that Trump canceled the Paris Climate Treaty, saying that this action will reduce countless number of good high tech jobs and the development of new industries.
EDIT UPDATE: Wow the oil shills have their finger on the downgrade disagree button seconds after this post went up.