Roof tiles to cool the planet

Colour-changing roof tile works with the weather as techno-fix solution for colling the planet.

Intelligent lighting for darker skies

Prototype street lighting technology which will both improve the quality of night skies in urban areas, and cut electricity use, is raising high hopes among light pollution campaigners.

Campaign sets out to debunk myths around print

Until recently, the energy demands of the infrastructure supporting electronic media haven't been questioned, much less quantified. But as carbon-calculators become more effective and industry-specific, all this is changing.