Or we can paint the roads and the roof tops white like the secretary of the Energy Department advocates. One of the supposed causes of global warming is cow farts (no I'm not kidding) we could put charcoal filters on all the cow butt holes or put Beano in their food. Think of the green jobs that would generate! Since we humans exhale CO2 every time we breathe we can try to avoid anything that causes heavy breathing. Originally Posted by joe bloevery true, now will you pull my finger?