IT

The sports apparel giant's new iOS app rates 22 materials to help designers choose wisely regarding environmental and social concerns

Social media giant admits carbon emissions increased last year despite efforts to improve energy efficiency

Reno facility will generate 43.5 million kilowatt hours of clean energy every year

Companies in the UK and US have made big savings in energy costs by bringing their buildings under networked control

French city reveals how citizens are embracing smarter and greener infrastructure

US firm combines advanced lighting and networking systems to slash energy use and emissions

New CK Ranker promises to help smaller businesses track their sustainability performance

Engineering giant accelerates development of smart city support services

Telco seeks to buffer business from flooding and heavy snow, as it unveils further details of its new carbon accounting system

BT's Kevin Moss explains the thinking behind the new "Net Good" sustainability initiative