The guy is a fake as proven above, expertise in one area doesn't translate to another area just because one wants to. Your link has no peer reviewed papers by him on AGW.
Are you blind or just willfully ignorant?
From the webpage link ...
Sulfur dioxide initiates global climate change in four ways: Thin Solid Films, v. 517, no. 11, p. 3188-3203, doi:10.1016/j.tsf.2009.01.005.
http://ozonedepletiontheory.info/Papers/Ward2016OzoneDepletionExplains.pdf
Ozone depletion explains global warming Current Physical Chemistry, v. 6, no. 4, p. 275-296.
http://ozonedepletiontheory.info/Papers/Ward2016OzoneDepletionExplains.pdf
The physics of global warming (in review)
http://ozonedepletiontheory.info/Papers/Ward20160519PhysicsGlobalWarming.pdf