National Semiconductor claims new device will automatically optimise solar cells in shaded conditions, improving energy output for some rooftop arrays by up to 30 per cent
For many companies looking to install solar panels, an inconveniently placed tree or rooftop facing in the wrong direction can soon put paid to their green ambitions by casting a shadow over the best spot...
Europe's biggest bank announces intention to halt financing for coal-fired power plants as part of low-carbon drive - but lists Bangladesh, Indonesia and Vietnam as exceptions
Canadian company EnviroLeach wants to make the process of "urban mining" less hazardous for humans and the environment
Launched this week, Daisy helps dissemble iPhones for reuse and recycling
No coal was used for power generation in the UK between 10.25pm on Monday and 5.10am yesterday, National Grid confirms