I have also gotten some permaculture certificates.
Be prepared to take a lower salary. This was the biggest stumbling block for me.
An alternative I'm sure you've thought of is to donate some of your finance salary to climate non-profits or buy things that are climate conscious (including from a startup doing this).
I chatted with the Wren folks: https://www.wren.co/
I did an internship with Natural Capitalism Solutions: https://natcapsolutions.org/
I also co-founded a local food startup: https://www.thefoodcorridor.com/
I have also gotten some permaculture certificates.
Be prepared to take a lower salary. This was the biggest stumbling block for me.
An alternative I'm sure you've thought of is to donate some of your finance salary to climate non-profits or buy things that are climate conscious (including from a startup doing this).