BREWDOG co-founder James Watt is among more than 600 investors who have put cash into eco start-up Pawprint.

Pawprint, the brainchild of Lingo 24 founder Christian Arno, has developed an app which encourages people to adapt their lifestyles to help tackle climate change. After setting out to raise £100,00, it has now attracted £580,000 on investments ranging from £10 to £15,000.Entrepreneurs Oli Norman of itison and Kevin Dorren of Dietchef have also backed the business.

Mr Arno said: “It’s been truly inspiring to have over 600 invest so far in this.”