The device is really powerful, the weeds are burnt in no time. Anyone who believes that a little CO2 has any influence on climate change should simply remove the weeds by hand.

I had asked myself the same question. I have to clear weeds from a flattened pavement and had always sprayed highly effective weedkillers to do this, until a neighbour told me that this was killing lots of beetles and small animals. He then recommended this approach to protect biodiversity. If you have a better solution, I would be happy to hear it. The fact is, the weeds have to go...