Again, you are extrapolating. Without knowing the direct, or primary funding streams of these organizations you make inferences to "supposed" connections to big business. I'm sure if you dig hard enough you can find a dirty connection. Money, back room deals are standard fare wherever there is an opportunity for personal gain, or profit.
If you see contradictions in life do something about it. You like DU. Support em'. Just don't blag on...
I will continue to do what I have done. Educate, support and try to put in a dollar where I think it'll be best used. If anything, I try to invest in the future - kids. Some of the banter on this thread indicates that some folks do not get it, but live for the moment while trivializing environmental factors of great importance. In the end it's about what you believe in.
Am I here to do some good, or am I here to get what I can? Done X