Chara 27.3 light years
Tau Ceti 11.9 light years
Zeta Leporis 70.2 light years
Epsilon Reticuli 59.5 light years
The answer is Tau Ceti.
The burning of fossil fuels releases carbon dioxide and other greenhouse gases these carbon emissions raise global temperatures by trapping solar energy in the atmosphere.
Earth's atmosphere is composed of air. Air is a mixture of gases, 78% nitrogen and 21% oxygen with traces of water vapor, carbon dioxide, argon, and various other components.
