How a National Trust blog inspired a low-carbon network

A network of companies and not-for-profit organisations has is slashing energy bills by sharing ideas and innovation. Andy Pearson looks at how a blog on heating historic buildings turned into the Fit for the Future forum

Why SBEM and SAP penalise CHP

Carbon emissions methodologies should use the marginal carbon-emission factor, says ADE’s Hanaé Chauvaud de Rochefort

Fresh thinking: Importance of indoor air quality metrics

Indoor air quality is not easy to measure, but metrics must move towards environments that consider occupant health, says the University of Nottingham’s Benjamin Jones in his round-up of discussions at an Air Infiltration and Ventilation Centre workshop on IAQ

The history man: Interview with Professor Alan Short

Professor Alan Short says designers must look to the past to come up with resilient buildings that can withstand climate change. Alex Smith meets the architect who has helped revive the art of natural ventilation

Opportunity NOx: Testing standards for air filters

There is now one global testing procedure and classification system for particle air filters – which should have a positive impact on urban air quality and people’s health, as Peter Dyment reports