What I mean is:
zero energy - Utilizing carbon-neutral renewable energy sources does not mean zero energy is required.
stake mine Bitcoin - this is impossible. "Mining" and "acquiring" are two different processes. Bitcoins are only created by proof-of-work hash mining. Any other means of acquisition is a form of purchase or trade, sourced by actual miners.
on any pc or cellphone - but it sounds quite a bit like any "work" is being done from your solar-powered server farm, not the end customer's devices.
I guess that the process starts on April 24th is probably factual.
Its another option for people. It enables people to get their bitcoin without burning fossil or nuclear fuels and they can store their mining capital in an appreciating monetary unit with 24/7 liquidity instead of depreciating hardware and full loss electric bills. The environmental aspect is also appealing to some,