By Ben Turner Cheers! A booze firm says its found an eco-friendly way to get merry while saving the planet. Tech start-up Aircohol is creating vodka-like spirits using nothing but climate-warming gas carbon dioxide. And for us booze-loving Brits they say it could be sold in the UK within just three years. Founder Simo Hämäläinen said early taste tests gave notes of “grass, earth and sweetness”, which he insisted was unusual but good. However the climate impact is Aircohol’s main selling point as it claims to be able to halve the drink industry’s carbon footprint. Research shows alcohol product…