WAethrioscope
WAtmospheric Radiation Measurement Climate Research Facility
WCLAW hypothesis
WCloud albedo
WGreenhouse effect
WHemispherical photography
WInfrared window
WRadiative cooling
WRadiative forcing
WSolar constant
WSolar gain
WSolar irradiance
WSolar simulator
WSunglint
WSunlight
WTwomey effect
WWaste heat
WWater vapor windows