Gary Parke, chief executive of energy services firm Evolve Energy, makes the case for energy efficiency as the "fifth fuel"

Leading German solar firm downgrades financial projections, but insists medium-term outlook remains "unabatedly positive"

Reports claim there will be no discussion of a job offer for the Nobel prize winner

New doctorate centres to churn out 2,000 PhD students, many with a focus on clean tech and the low carbon economy

As EU unveils plans to ban incandescent bulbs, deal on renewables targets is finally reached

Innovative contract sees supermarket giant become first firm to buy power direct from wind farm operator

Scientists claim countries are squabbling over targets which, even if agreed, may not be enough to prevent dangerous levels of climate change

Negotiators will debate whether technology is developed enough to be included in carbon credit schemes

Technology giant teams up with Harvard University to find cheaper energy material

German Renewables Academy invites engineers to see how it's done