The potential side effects of geoengineering are presently not well understood and will likely include unintended ecological consequences, which in turn can pose important political, social, and ethical challenges.

UNESCO: MEDIA SERVICES

So, higher capital standards, some limits on leverage and prohibition of derivatives with no apparent social benefit may have done 90 percent of the good that needed doing with many fewer unintended consequences that are bound to come out of a 2000 page document that no single person has read yet.

FORBES: Financial Reform Legislation: The Devil's In The (2000 Pages Of) Details