Energy firm Drax has a biomass power plant in Yorkshire, UK Clare Jackson/Alamy
A CATTLE shed near Edinburgh sucking up methane emissions and a team altering the acidity of seawater in the English Channel might seem unlikely prospects for avoiding increasingly dangerous climate change. But they are just two of 24 projects taking part in a £100 million UK competition for innovative ways of sucking greenhouse gases out of the air.
Governments worldwide have been waking up to the need to develop ways of removing emissions from the atmosphere to meet net-zero …