'People who have understood that ‘laws of nature’ on Planet Earth are changing rapidly, unpredictably and frighteningly have responded in different ways: by presenting scientific research and data to the public, by refuting the optimistic or self-interested arguments of sceptics, by attempting to get international action on CO2 emission reductions, on ecological systems or on rising sea-levels. A common concern has been to establish modes of understanding and research into the situations lumped under terms like ‘Anthropocene’, climate change or ‘environmental degradation’.' (Introduction)