Wrap Greenland in blankets
Greenland's massive ice sheets and glaciers continue to melt at an increased rate. As a result, the Earth is losing one of its most powerful reflective surfaces. Scientists warn that the process could turn into a dangerous feedback loop, with initial warming prompting changes which escalate the pace of warming. This concern is what led glaciologist Jason Box to propose covering the country of Greenland in white blankets to increase its reflectivity.