Governance of solar geoengineering is important and challenging, with particular concern arising from commercial actors’ involvement. Policies relating to intellectual property, including patents and trade secrets, and to data access will shape private actors’ behavior and regulate access to...

Solar climate engineering — intentional modification of the planet’s reflectivity — is coming under increasing consideration as a means to counter climate change. At present, it offers the possibility of greatly reducing climate risks, but would pose physical and social risks of its own....

Climate change is one of the greatest challenges confronting society today. Solar climate engineering (SCE) has the potential to reduce climate risks substantially. This controversial technology would make the earth more reflective in order to counteract global warming. Though the science of SCE...