Taking more than ten grams a day, however, can result in a handful of side effects like diarrhea, upset stomach and cramps. (fitnessandpower.com)
Also, don't go overboard with special effects like colored ink and extravagant borders. (cvtips.com)
Therefore the concentration of greenhouse gases in the atmosphere does determine the surface temperature of the planet (amongst other effects like albedo). (92.222.7.6)