Even the most efficient data centre has a carbon footprint, dependent on its source of electricity, says Peter Judge

Desktop management can cut energy waste, but it's tricky for smaller businesses, unless a cloud solution can be made to work, says Mark McGinn

Modular data centres really can be more efficient, according to evidence from Iceland, says Peter Judge

Alongside PUE to measure power efficiency, the Green Grid now has CUE to measure carbon use

The EU code of conduct for data centres is failing to engage the industry, say critics

Eighty percent of our PCs are free to stay on all night right now. Peter Judge thinks this will change very soon

It's too late now to register for the government's CRC scheme to reduce emissions, says Peter Judge. How come half of you haven't heard of it?

Energy related costs now make up 12 percent of data centre expenditure, Gartner has found, and things will get worse

Capgemini has magically turned its Merlin green data centre technology into a marketable package

Data centres could make "huge" energy savings through lower energy networks, says Juniper