Imagine a future where, despite efforts to reduce greenhouse gas emissions quickly, parts of the world have become unbearably hot. Some governments might decide to “geoengineer” the planet by spraying substances into the upper atmosphere to form fine reflective aerosols—a process known as stratospheric aerosol injection.
Click here for original story, Solar geoengineering might work, but local temperatures could keep rising for years
Source: Phys.org