Sero Zero Waste was started by Newport friends Liz Morgan and Laura Parry and is opening its first permanent shop at Tredegar House Newport s first permanent plastic free shop has opened its doors at Tredegar House, Duffryn. Sero Zero Waste was started by Newport friends Liz Morgan and Laura Parry and sells ethically sourced household and cosmetic items. The business has built a substantial following on social media through the year by providing online eco-tips, plastic free shopping at pop-up stalls and ‘top-up’ refill deliveries. Liz Morgan, co-founder of Sero Zero Waste, said: “We’ve had such a positive response to Sero over the last few months that we’ve decided to expand our offering by setting ourselves up in a permanent shop at Tredegar House.