In 2015, the landmark Paris climate agreement set the ambitious but necessary goal of limiting global warming to 1.5 degrees Celsius above pre-industrial levels, and ensuring that the increase stays “well below” 2 C. With the average global surface temperature having already reached 1.1 C above the 20th-century baseline, time is running out to reach this goal. Yet governments so far have failed to agree on a strategy for doing so.

In 2015, the landmark Paris climate agreement set the ambitious but necessary goal of limiting global warming to 1.5 degrees Celsius above pre-industrial levels, and ensuring that…

Some scientists now believe that humanity will no longer be able to meet the most ambitious target set by the Paris Agreement in 2015. However, this goal still serves an important…