MIT expert: How to toughen up environmental treaties

The Kyoto Protocol is one of more than 100 global environmental treaties negotiated over the past 40 years to address pollution, fisheries management, ocean dumping and other problems. But according to MIT Professor Lawrence Susskind, an expert in resolving complex environmental disputes, few of the agreements have done more than slow the pace of ecological damage, due to lack of ratification by key countries, insufficient enforcement and inadequate financial support.