Much of the infrastructure we install today will still be operating in 2050 as it's built to last, with a median typical lifetime of 27.5 years. Investing in the wrong infrastructure can result in “carbon lock-in”. Although multilateral development banks have been moving away from funding carbon intensive plants, in reality major economies continue funding 'carbon lock-in' abroad.

What is the difference between fossil fuels and renewable power plants with respect to carbon lock-in? Which countries are still investing in building new carbon-intensive infrastructure?