Mostly, the private jet. Idk if she has yachts or mansion(s) but those would also count. It's not that ordinary people don't pollute but the scale. The top 50 billionaires each on average pollute more every 1.5hours than an ordinary person does their entire life.

Approximately, 5840 peoples worth a year and they have the wealth to choose otherwise. People charge their phone largely because they have to to stay employed/connected nowadays.

When people have hoarded so much and actively make the world worse instead of better theres no option but to question their morality.