Rory Hearne: We can and must tackle housing and climate crises together

There’s no realistic plan for retrofitting our housing stock and no strategy for ensuring new housing is a net-zero contributor to climate emissions, writes Rory Hearne

For retrofit refurbishment, there's a holy trinity: comfort, economy and environment. If done right you should achieve all three, regardless of which is your priority. Picture: Getty Images

My 6-year-old son asked me if submarines run on petrol or electricity. "I'm not sure", I replied, "why do you ask?" 

He said, "because I want to use a submarine for my round the world trip but petrol is bad for the environment, so I'll only go if it's on electricity from wind”.