Solar photovoltaic panels generate electricity on the Isle of Eigg

Four 6kW wind turbines are connected to the electricity grid on the Isle of Eigg

OWL electricity monitors allow households to keep an eye on how much power they are using, on the Isle of Eigg

The house on the right has been refurbished, including external wall insulation, by Northwards Housing

Solid walls are insulated externally as can be clearly seen on the building on the left, worked on by Northwards Housing

Solar PV to power communal lighting has been installed on blocks of flats by Northwards Housing

Energy monitors reward energy-saving behaviour at Okehampton College

Keith Webber Community Technology Coordinator at Okehampton College

A visit to a local primary school to talk about sustainability, by pupils from the STEM club at Okehampton College

Pupils take wind speed readings for a maths lesson, with the wind turbine in the background at St Columb Minor School

The electric go-kart is a hit with older pupils learning about sustainable transport, at St Columb Minor School

Solar photovoltaic panels feature on the roof and in lessons too, at St Columb Minor School

Seasoned logs being chipped to produce wood-fuel for use by Suffolk County Council

Freshly produced woodchip is delivered to a store for further drying, for Suffolk County Council

A tanker delivers wood-fuel at a school, Suffolk County Council

Local businesses gain work as they build the Solasyphon for Willis Renewable Energy Systems

A solar water heating installer with a Solasyphon, from Willis Renewable Energy Systems

The Solasyphon is simple to install and saves space, winning customers for Willis Renewable Energy Systems