The trust's use of nitrous oxide and Entonox totalled almost 3,000 tonnes of carbon dioxide equivalents in 2020-21, which was 5% of its controllable emissions. By Sharon Barbour, BBC Look North ...

Nitrous oxide is stored in canisters at a temperature ... Read more: Nearly 10,000 people - including 3,000 children - homeless in Dublin as new national record set again Read more: Ireland's ...