Keep
Commercial proof, product proof, and category clarity
Priority goes to plants, partnerships, economics, explainers, buyer education, policy structure, and visible product or brand pilots.
Demote
Generic climate-tech mood music
Repetitive hype videos, vague future-of-everything pieces, and links that sound exciting without improving understanding are kept out or pushed down.
Current bias
The most useful fresh signal now lives on company and product pages
This archive treats the older YouTube layer as context, not as the main source of 2025–2026 movement.