Coffee, algae and exploding lakes: are these the renewables of the future?

Body heat, heat from crematoriums and exploding lakes: as we shift towards a more sustainable lifestyle, energy could come from surprising places, says Ashley Coates

As we shift towards a more sustainable lifestyle, our next sources of energy might come from some surprising places
In 2011, Worcester Council found itself at the focus of local ire when it unveiled plans to warm a local swimming pool using excess heat from a crematorium.