Today’s green news: Smart toilet for the developing world
Rise in coal use caused increase in UK’s carbon emissions by 4.5% last year, in The Guardian.
Car manufacturer’s rooftop PV array to produce 40% of factory’s peak energy needs, on Business Green.
Canadian researchers develop cheaper energy storage solution, here.
And finally… Intelligent toilet design wins $450,000 development grant from Bill and Melinda Gates Foundation, in green futures.