The challenge of cooling football stadiums in Qatar

A study of air conditioning in Qatar stadiums has explored the best way to achieve thermal comfort for spectators and players. Cairo University’s Essam E Khalil and Mohamed E Ashmawy share their findings

Greenwich hotel opens door to district heating

The InterContinental Hotel at the O2 was linked to the local heat network after designers convinced the developer of its resilience. Phil Lattimore describes Aecom’s low-carbon strategy

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

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