[editor-surveyor]

"...and anyway, the sun's contribution is small compared to volcanoes, El Nino and greenhouse gases, Hathaway notes.

This clown is either a glib liar, or a moron.

The sun's contribution is at least 99.9999% and the only "greenhouse gas" that exists is water vapor.

[cogitator]

The sun's contribution is at least 99.9999%

Simple observation of the climate effects caused by the Mount Pinatubo eruption falsifies the above statement, irregardless of any examination of anthropogenic forcing factors.