1.5 °C goal
If we’re serious keeping warming “well below 2°C, geoengineering may be necessary.
The Paris establishes an aspiration goal of holding climate change to 1.5°C, with a firmer goal of holding the global temperature decrease “well below” 2°C. As a practical matter, the 1.5°C goal almost certainly would require geoengineering, such as injecting aerosols into the stratosphere or solar mirrors. Even getting well below 2°C is likely to …CONTINUE READING