Starting 1 March, green start-ups from all over the world can sign up for the Postcode Lotteries Green Challenge. The competition has expanded to become one of the largest annual sustainability competitions in the world. There is a total of €1 million in combined prize money for the five best start-ups, of which €500,000 is for the winner. In addition to the prize money, all finalists will receive over six months of expert coaching to optimise their business opportunities. With this international competition, the Postcode Lotteries are helping start-ups from around the world to bring their innovations to market. Business plans can be submitted via www.greenchallenge.info until 1 May 2019.