Sorry just too much relevant news !The International Energy Agency says that investment in clean energy needs to triple over the next decade to avoid extreme energy market volatility.
https://twitter.com/Sino_Market/status/1448198003496390662?s=20
CWs imply metal earmarked for physical delivery soon. Investors cancel their warrants because they want to take it out of the LME warehouse. This is important signal for market demand/supply fundamentals. A rise in CWs suggests stronger market demand for the LME metals, and deliveries thereof.