World news
Sun shines on California in Global Cleantech 100 list – for now
US as a whole still a world leader in green technology but China expected to catch up as its low-carbon economy gains pace
French towns swap rubbish trucks for horse-drawn carts
Perpignan is one of 60 French towns that have struck upon a cheaper and greener way to collect household waste – ditching the dustbin lorry in favour of a horse and cart
Deepwater Horizon alarms were switched off ‘to help workers sleep’
Alarms and safety mechanisms on gulf disaster oil rig were disabled, chief technician at Transocean reveals



















