Helium
As the Earth's temperature grows uncontrolled due to global warming, those who have survived the environmental disaster must find a way to leave the planet before it's too late.As the Earth's temperature grows uncontrolled due to global warming, those who have survived the environmental disaster must find a way to leave the planet before it's too late.As the Earth's temperature grows uncontrolled due to global warming, those who have survived the environmental disaster must find a way to leave the planet before it's too late.