...Most scientists agree that greenhouse gases from fossil fuels have contributed to the warming of the planet in the past few decades but have questioned whether a brighter Sun is also responsible for rising temperatures...OK, you have temperatures going up all over the solar system. This is undeniable and true. Yet MostScientists™ "question" whether the brighter sun is also responsible for earth's global warming. Right. Obviously this is due to all those new SUV dealerships opening up all over the place on Mars, Jupiter, Saturn, Triton, and Pluto, etc. Damn you GM and Ford. Damn you to hell.
[update] Some time ago I did some impromptu calculations based University of Michigan data on the increase in solar activity. I wish I had saved them, but the way it worked out was this:
The increase in the past 100 years or so has amounted to approx an additional 3-4 Watts per square meter of planet surface. The additional heating claimed by the scare global warming mongers was virtually all accounted for by this additional wattage per square meter. "greenhouse" gasses, if they had anything to do with it at all, had to be in the low single digit percentages of effect.
Water vapor is the largest percentage effect "greenhouse gas". CO2 and all the others are completely swamped by the effects of water vapor. The scare mongers of course always fail to mention water vapor...