Louisa Casson from Greenpeace (now on an Antarctic expedition) explains her work looking into carbon offsets and how they have developed since COP26.  She also gives her view on the  development of voluntary carbon markets.

Here is some of Louisa's suggested further reading on the issue:

- Oxfam’s report on the use of offsets in net zero 
- European Climate Foundation CEO, Laurence Tubiana's commentary on offsets 

Click here to read our investigation into the UK biomass supply chain, or watch a clip from the BBC Newsnight documentary.