Architect Alvyn Williams from Soft Loud House Architects about passive houses and star rating systems. Councillors Susan Rennie and Trent McCarthy about the world's first municipal climate emergency plan. Author Paul Hawken about how 'the middle is happening'. Leigh Ewbank about Friends of the Earth's act on climate campaign. Rebecca Lee from the Alternative Technology Association about the coming EV Expo. More info on www.climatesafety.info/thesustainablehour203