Removal of an organ is difficult and dangerous. There have been several deaths of healthy donors. I think myself, I would be hesitant to participate as a liver donor. It's a very tricky operation. ↗
In time it will become clear to everyone that support for the policies of pre-emptive war and interventionist nation-building will have much greater significance than the removal of Saddam Hussein itself. ↗
Some types of environmental restoration projects are well-known; restored wetlands, for instance, or coal mine reclamation projects. Recently though, larger dam removal projects have started, a number of them in Washington state. ↗