Sorry, I'm not sure where the wikipedia Editor got that information from. I can change my original comment to "travels with a significant carbon footprint" if you would make you happy? Does the carbon footprint section of wikipedia seem up to your standards?
From what I know about Greta, she is rather careful with such matters. Your comment in general is in effect destroying part of those careful efforts, so I'd be happy if it wouldn't.
"Significant carbon footprint" asks for, significant compared to what? Maybe Greta leaves bigger footprint than the lowest, say, 10% of the Earth population, who don't really have access to modern technologies with that significant footprint. But she surely tries quite a lot given the circumstances where she is, and encourages us to follow. So I'm skeptical about accusations towards her without enough evidence.
"Careful" isn't a number though. The wikipedia referenced flights to support her boat trip alone put her carbon footprint above hundreds of millions of people.
She is most likely in the 90% percentile not the 10% percentile. Which is my point. We shouldn't look to people with huge carbon footprints as role models. Al Gore for example has multiple homes. He is easily in the top 5% of carbon footprints in the world.
If the most alarmist and upset climate activists cannot get their carbon footprint down below the average human, then it is pointless to try. The only fix for this problem is technological acceleration toward clean energy, even if getting there causes short term emissions to increase.
I disagree, but I don't think this is a good platform to list arguments and supporting explanations. I've tried to write a longer post, but explanations are too long to be sufficient.