Energy efficiency

Cold air and abundant renewable energy are the ingredients for greener data centres, says Matz Engman, who helped entice internet giant Facebook to set up shop in the remote north of Sweden

But in a time of dwindling resources in Europe and beyond, new energy technologies and processes must have efficiency as their watchword, says David Eyton, group head of technology at BP

How can Europe balance its goal of energy security with the need to reduce CO2 emissions? Part of the answer would be fixing the carbon emissions trading system

Officials gathered in Brussels this week to untangle some of the messy, competing goals for making European energy greener, cheaper and more modern. Cutting energy use is the leading priority, a Commission adviser told the meeting

As the EU focuses on its post-2020 climate and energy policies, big questions remain about how to spur innovation

Carbon pricing holds the key to success in the fight against climate change, says gene sequencing pioneer J. Craig Venter

There’s no point in trying to scare people into action on climate change: rather it needs be framed as an opportunity, says Kathleen Van Brempt, MEP

Akvolution’s technology combines two different pre-treatment processes in one, cutting the cost of desalination by 25%

Murmurs of excitement but many scientists are cool on aerospace giant’s claim it can deliver fusion reactor in a decade – if it can get external funding

Instead of roaring ahead in the race for renewables, pursuing biofuels in Europe is a halting, cautious venture. Industry and policymakers met in Brussels this week to spark new life into the effort