"The definition of ‘dangerous’ climate change is ambiguous, and hypothesized catastrophic tipping points are regarded as very or extremely unlikely in the 21st century. Efforts to link dangerous impacts of extreme weather events to human-caused warming are misleading and unsupported by evidence. Climate change is a ‘wicked problem’ and ill-suited to a ‘command and control’ solution. It has been estimated that the U.S. national commitments to the UN to reduce emissions by 28% will prevent three hundredths of a degree centigrade in warming by 2100..."
Evidence to the House of Representatives Committee on Science, Space and Technology