When COP26 was held a year ago in Glasgow, Northern Ireland was the only part of host nation the UK that did not have climate change legislation in place.
Now, as world leaders gather in Sharm El-Sheikh for COP27, what has changed for Northern Ireland, and where is it on its journey to net zero?
The big change, of course, is that climate legislation is now in place in Northern Ireland.
After an unprecedented two-bill race, Climate Change (No.2) Bill gained Royal Assent in June 2022.
It set a goal of reaching net zero by 2050, creating legal obligations to reduce emissions.