An exclusive yacht called Earth 300 plans to set sail in 2025. It is scheduling a 10-day trip with 200 guests and 165 staff. While most of the guests will be invite-only, with 160 spots reserved for scientists and students from a variety of backgrounds, the remaining 40 spots are for VIP guests, who will have to buy passage for $3 million. The mission of the 10-day trip will be to study the effects of climate change.