On: Greece runs on 100% renewables for the first time on record

[vegai_]

That's probably a bit absurd, and would probably cause a lot of changes since it would also mean that all the oceans are practically covered with panels.

Here's a reference to a study about large-scale panel installations:

https://www.science.org/content/article/solar-panel-shade-wo....

They suggest that there would be an impact, but far less than the impact of greenhouse gases they could replace.