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Background. The use of volatile anaesthetics has increased in situations where conventional anaesthetic machines are inadequate or unavailable, for example, cardiac surgery and intensive care. The disposable anaesthetic conserving device, AnaConDaw, allows vaporization of liquid volatile anaesthetics from a syringe pump and rebreathing of exhaled anaesthetic. Clinical use requires understanding of

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The global financial crisis provided an opportunity for countries to reduce their dependence on fossil fuels. Green energy technologies were heavily promoted as a way to reinvigorate economies, create jobs and reduce CO2 emissions. However, despite multiple policy efforts, data show that emissions continue to rise. The limited progress made in many parts of the world has been insufficient to offse