Judith Leary-Joyce shares her experience of retrofitting a Victorian end-terrace house to reduce energy consumption, make it more healthy and comfortable, and leave a sustainable legacy for future generations.

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Kym Mead from Mead Consulting explains what Passivhaus certification is, how the process works and why there is a difference between certified Passivhaus buildings and those that just adopt a 'Passivhaus principles' approach.

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Lloyd Alter explains the term upfront carbon, its relevance to us all as consumers, and why he felt compelled to write a book on the topic.

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