Paloma is part of the Sovereign Tech Agency - The organisation behind the wonderful Sovereign Tech Fund.
In her talk she gives a view from her perspective on the sustainability overlap with open source software.
She has provided her own TLDR;, which I could not improve 
So here it is:
“Sustainability in open digital technology can be perceived as a socio-technical-ecological system, where caring for code, the people behind it, and the environment is a matter of public interest”
If you liked the Sneak Peak you can find the full slides on the ecoCompute website: http://localhost:1313/files/slides_2025/01_Thursday/03_Community/05_Oliveira.pdf