The UK has been dealt a "brutal reality check" on its climate change ambitions, environmentalists have said.
The government's official climate change advisers warn ministers are failing to cut emissions fast enough, and adapt to rising temperatures.
Committee on Climate Change chair John Gummer likened them to the hapless characters in 1970s comedy Dad's Army.
The government said it would soon set out plans to tackle emissions from aviation, heat, energy and transport.
The prime minister recently announced that the UK would lead the world by cutting almost all greenhouse gas emissions by 2050 - so-called net zero.
Theresa May also aspired to the UK hosting a hugely important global climate summit next year.
But the CCC said that the UK was already stumbling over measures needed to achieve the previous target of an 80% emissions cut.
Its report says new policies must be found to help people lead good lives without fuelling global warming.
Climate Leviathan: A Political Theory of Our Planetary Future
by Joel Wainwright and Geoff Mann
How climate change will affect our political theory—for better and worse. Despite the science and the summits, leading capitalist states have not achieved anything close to an adequate level of carbon mitigation. There is now simply no way to prevent the planet breaching the threshold of two degrees Celsius set by the Intergovernmental Panel on Climate Change. What are the likely political and economic outcomes of this? Where is the overheating world heading? Available On Amazon
Upheaval: Turning Points for Nations in Crisis
by Jared Diamond
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Global Commons, Domestic Decisions: The Comparative Politics of Climate Change
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Comparative case studies and analyses of the influence of domestic politics on countries' climate change policies and Kyoto ratification decisions. Climate change represents a “tragedy of the commons” on a global scale, requiring the cooperation of nations that do not necessarily put the Earth's well-being above their own national interests. And yet international efforts to address global warming have met with some success; the Kyoto Protocol, in which industrialized countries committed to reducing their collective emissions, took effect in 2005 (although without the participation of the United States). Available On Amazon