22 Nov 2013: Jessica Hatcher: Electricity may be at a premium in Kenya, but the country hopes to be the world's leading exponent of geothermal power by 2023
29 Sep 2013: David King and Richard Layard: In tackling climate change, solar power must be at the forefront of research into non-carbon energy sources
28 Mar 2012:
The Lake Turkana Wind Power project aims to provide reliable, low-cost wind power to the Kenya national grid, allowing the country to reduce its dependency on hydroelectric power
We look back at Apple's tech products, including game-changers such as the iMac and iPhone, curiosities like Lisa – and duds, like the 20th Anniversary Macintosh