Guardian investigation: Renters at apartment buildings operated by industry giant Greystar complain they’re deluged by ‘unfair’ and ‘inflated’ fees. The company denies these claims
Investigation: The entrepreneur was once the toast of London’s tech scene, a ‘global leader of tomorrow’ who starred on Dragons’ Den and promised untold riches for the startups she championed. But people she worked with in the last decade, from Malta to Switzerland, describe a very different reality
Asda, Amazon and B&Q among retailers in talks to sell devices that feed into household sockets and can cut electricity bills by 30% Spanish homes save €10 a month via renewables expansion