We have more trees, yes, but we have fewer forests.
Forests are where the biodiversity is. Not monoculture straight-row tree farms.
And we’ve gotten rid of a lot of old growth forests before we came into renewable forestry. That’s partly why lumber these days isn’t as good (quality, in general) as it was 50 or 100 years ago.
And we’re still tearing down old forests. This time, it’s to grow soy to feed to cows.
Are they generating more power than they are spending by making the train go? Has Barcelona mastered perpetual motion??
It’s good thing, sure, but it’s no savior. The blurb makes it sound like it’s a net gain of energy, and that’s impossible. It’s not free energy. It’s just upcycled waste.