Yes, and it would also produce light if pointed away from the sun. How exactly is that relevant to the radiative forcing phenomenon of GHG's?Then you should read this entire thread ... point a flashlight at the Sun, does the flashlight still produce light? ... the answer is "yes" ...
Irradiation is proportional to temperature raised to the fourth power ... point the flashlight at a black wall ... we have to raise the light power output of the flashlight A LOT to raise temperatures just a little ... and 1ºC is tiny ...