IBM and others are working on a solar collector that can magnify the power of 2,000 suns for green energy

Booster Brolly will charge your phone and improve your signal at festivals this summer

Put that in your pipe and smoke it, Greenpeace! Apple announces second solar array

Despite concerns about the suitability of solar panels for data centres, eBay is to harness the power of the sun for its Utah facility

Planned solar array in North Carolina will help power a massive data centre that has been criticised for relying on power generated by coal and nuclear sources

Smaller, cheaper and making more electricity - Semprius claims a breakthrough in solar panels

Solar power has been only capable of producing a small part of data centre energy needs, but this may change, says Peter Judge

Among other cuts, Google has scrapped the RE>C project but has posted its results for others to use

Peter Judge asks why data centres are switching to renewable energy, just as the government may be backing away from it

The SolarSinter project makes objects from sand and sunlight - and it will be on show in London in September.