How to make Biochar, with Kildare farmer Kim McCall

Brigid speaks to Kim McCall about why and how he makes biochar. Kim and his wife Mireille own a 214-acre mixed livestock stock farm in Calverstown, Kilcullen, Co. Kildare with a herd of 75 pedigree suckler cows, a flock of 80 sheep, as well as a few pigs in the summertime.