go to top
A sun halo is seen in the skies above Harare, Zimbabwe. A sun halo is seen in the skies above Harare, Zimbabwe, Nov. 15, 2020 (AP photo by Tsvangirayi Mukwazhi).

Solar Geoengineering Could Buy Us Time to Get to Net Zero

Monday, April 25, 2022

Whether April is truly the cruelest month, as T.S. Elliott wrote, is up for debate. What is undeniable is the poignancy of springtime in the age of global warming, when each year, the planet bursts forth with life, oblivious to what is in store. As the latest Earth Month draws to a close, it seems natural to take stock of where humanity is now in its struggle against climate change and, just maybe, take solace in a possible lifeline.

The latest assessment reports from the Intergovernmental Panel on Climate Change, or IPCC, make clear what we are up against. The world is on track to badly miss the target set out in the 2015 Paris Agreement on climate change, which calls for holding the rise in average global temperatures above preindustrial-era levels to 2 degrees Celsius, and ideally no more than 1.5 degrees Celsius. Already, multiple environmental dangers are manifest. They include searing heatwaves, prolonged droughts, violent storms, raging wildfires, melting icecaps, rising seas and looming wildlife extinctions. More alarming still, rising temperatures threaten abrupt tipping points in critical subcomponents of the Earth system, such as a sudden die-back of the Amazon rainforest and a rapid thawing of Arctic permafrost, both of which could take place in sudden bursts, with little forewarning. ...

To read more,

enter your email address then choose one of the three options below.

Subscribe to World Politics Review and you'll receive instant access to 10,000+ articles in the World Politics Review Library, along with new comprehensive analysis every weekday . . . written by leading topic experts.