Possible Clues:

• Those responsible for atmosphere covered up partying as escapism
• They're in the air
• Krypton and oxygen
• Atmospheric mix
• Rightmost column in the periodic table
• Hydrogen and oxygen, e.g.
• Waffles producing much flatulence
• Krypton and methane
• Argon and neon, for two
• Oxygen and helium, for instance