Siamo sicuri che le sanzioni alla Russia non danneggino anche noi?

Ringrazio l'amico Morris Sonnino di questo screenshot del sito "Ansa".

To Get Wind Power You Need Oil

Illustration: Dan Page

Each wind turbine embodies a whole lot of petrochemicals and fossil-fuel energy

By Vaclav Smil

Wind turbines are the most visible symbols of the quest for renewable electricity generation. And yet, although they exploit the wind, which is as free and as green as energy can be, the machines themselves are pure embodiments of fossil fuels.