News roundup: M&S 'eco factories', Lexus ad banned for green claims and more
Marks & Spencer develops eco-factories: The factories aim to be carbon neutral, use renewable energy and send no waste to landfill [New Consumer]
A Lexus ad campaign that claimed an SUV was environmentally friendly has been banned by the advertising watchdog [Guardian]
Solar farms on the cheap: US company to prototype a plastic balloon capable of generating electricity in solar farms[CNET]
RSPB report warns that climate change threatens UK birds [FWI]
