Kev Dowman tells Paula Sharp why we should be producing biochar on a commercial scale. He says it is an investment for our future, specifically the future of New Zealand’s land quality and how we can contain carbon.

With autumn settling into winter, what better advice than turning to the sun and letting the shadows fall behind you could gardeners take? Especially those who have lost so much in recent weather events. Wherever you are in the country, make the most of the little heat that still lingers, by trapping it in cunning ways