Theresa May is to announce a war on plastic waste, with proposed policies including plastics-free aisles in supermarkets and a tax on takeaway containers. The prime minister will set out her ambition to eliminate all avoidable plastic waste within 25 years in a major speech on Thursday in which she will promise the UK will lead internationally on environmental issues. But campaign groups said the aspirations would need to be backed up by legislation. They also warned that leaving the EU risked weakening environmental protections, and called for the government to promise it would not water down green standards in...
