WArctic geoengineering
WCarbFix
WCarbon capture and utilization
WCarbon dioxide removal
WCirrus cloud thinning
WClimate restoration
WDirect air capture
WIron fertilization
WMarine cloud brightening
WOcean fertilization
WReflective surfaces (climate engineering)
WSolar radiation management
WStratospheric aerosol injection
WStratospheric Particle Injection for Climate Engineering
WStratospheric sulfur aerosols