‘It bloody works’: why the world’s oldest cheddar-maker uses a ‘milk-source’ heat pump

Barber’s Farmhouse Cheesemakers can draw enough heat from cows’ fresh milk to bring water close to the boil, slashing carbon emissions In many ways, the world’s oldest cheddar-maker hews to tradition. Since 1833, Barber’s Farmhouse Cheesemakers has operated from the rolling green pastures of south-west England, milking grass-fed cows and fermenting the milk with microbial starters passed down for generations. That heritage has led to award-winning cheese, now popular across continents. But when it comes to reducing its planet-warming emissions, Barber’s is on the cutting edge. In 2024, the company began to use new ultra-efficient heat pumps from the UK startup Arkaya Energy . The devices qui

What is happening The Guardian reports: Barber’s Farmhouse Cheesemakers can draw enough heat from cows’ fresh milk to bring water close to the boil, slashing carbon emissions In many ways, the world’s oldest cheddar-maker hews to tradition. Since 1833, Barber’s Farmhouse Cheesemakers has operated from the rolling green pastures of south-west England, milking grass-fed cows and fermenting the milk with microbial starters passed down for generations. That heritage has led to award-winning cheese, now popular across continents. But when it comes to reducing its planet-warming emissions, Barber’s is on the cutting edge. In 2024, the company began to use new ultra-efficient heat pumps from the UK startup Arkaya Energy . The devices qui The problem The public problem in this report is the one named by the source: “‘It bloody works’: why the world’s oldest cheddar-maker uses a ‘milk-source’ heat pump”. A response on MLAIEL should not add a cause, a number, or a remedy the source does not state. Open the source for the detail. What a team can do on MLAIEL A team can follow the food or farming problem the source names — hunger, a failed harvest, or access to food — and open a project that does not add a cause or a remedy the source left out. Source The Guardian — ‘It bloody works’: why the world’s oldest cheddar-maker uses a ‘milk-source’ heat pump https://www.theguardian.com/environment/2026/sep/17/milk-source-heat-pump-barbers-cheesemakers