Oxfam's research found that the world's fifty richest billionaires produce on average more carbon emissions in under three hours than the average British person does in their entire lifetime. On average, they take 184 private jet flights in a single year, spending 425 hours in the air. This produced as much carbon as the average person in the world would in 300 years. Their luxury yachts emitted as much carbon as the average person would in 860 years.