This meticulously documented call-to-action reveals extensive scientific evidence that the global warming crisis is far worse than officially indicated and that were almost at the point of no return.
Serious climate-change impacts are already happening: large ice-sheets are disintegrating, sea-level rises will reach 5 metres this century, and we are seeing devastating species loss.
It is no longer a case of how much more we can safely emit, but whether we can stop emissions and produce a deliberate cooling before the Earths climate system reaches a point beyond any hope of human restoration.
These imperatives are incompatible with politics as usual and business as usual we face a sustainability emergency that urgently requires a clear break from the politics of failure-inducing compromise.
David Spratt is a climate policy analyst and cofounder of Carbon Equity, which advocates personal carbon allowances as the most fair and equitable means of rapidly reducing carbon emissions. He has extensive advocacy experience in the peace movement and in developing community campaign communication and marketing strategies. Philip Sutton is the convener of the Greenleap Strategic Institute, a nonprofit environmental strategy think tank and advisory organization promoting the achievement of global and local ecological sustainability. He is the founder and director of strategy for Green Innovations, the architect of the Victorian Flora and Fauna Guarantee Act, and a former president of the Australian and New Zealand Society for Ecological Economics.