We have an enormous potential source of renewable heat on our doorstep. Water-source heat pumps and district heating networks potentially offer a means of using readily available energy from the estuary to heat homes and buildings across Inverclyde. (Image: George Munro)Locally-generated renewable heat could tackle fuel poverty and improve health as well as reducing emissions. Inverclyde was built, in part, on renewable power. Two centuries later, it would be fitting if renewable energy could once again help revitalise Inverclyde.