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The concept of barriers is increasingly used to describe the obstacles that hinder the planning and implementation of climate change adaptation. The growing literature on barriers to adaptation reveals not only commonly reported barriers, but also conflicting evidence, and few explanations of why barriers exist and change. There is thus a need for research that focuses on the interdependencies between barriers and considers the dynamic ways in which barriers develop and persist. Such research, which would be actor-centred and comparative, would help to explain barriers to adaptation and provide insights into how to overcome them. [ABSTRACT FROM AUTHOR]

The article focuses on the signs of civic, private, local and state public sector activities for climate protection in the U.S. These activities aimed at restricting greenhouse gas emissions as well as assess whether they amount to a social movement for climate protection. It is suggested that momentum is building federal inaction on mandatory emission reductions. There is a renowned increase in opposition activity over several years. However, it is unclear whether the movement reached the take off point of the American society's closeness to the tipping point. This could be attributed to the fact that the movement has not yet found a bridging frame in bringing sub-movements together. The Movement Action Plan (MAP) model is a useful tool in locating where a movement is in its evolution.

Discusses the importance of communicating the urgency and challenge of global climate change. Trend for Americans to be preoccupied with many issues other than climate change; Findings by the Intergovernmental Panel on Climate Change regarding the potential impacts and emissions reductions needed in order to avoid drastic consequences; Consideration of how many scientists have issued publicized warnings to alert the public of the need for action; Hurdles encountered by the U.S. public in a national dialogue on climate change; Impact of the release of emissions of heat-trapping gases and subsequent impacts on the climate; Ways to increase the persuasiveness of the climate change message without appealing to fear. INSETS: FLIPPING THE "SWITCH ON ABRUPT CLIMATE CHANGE";UNDERMING URGENCY: DEALING MORE EFFECTIVELY WITH ALARMISTS.