So you're booking your flight, and just when you're about to check out, the airline asks if you'd like to pay a little something to offset your share of the flight's pollution. Or, maybe you're an ...

So you're booking your flight, and just when you're about to check out, the airline asks if you'd like to pay a little something to offset your share of the flight's pollution. Or, maybe you're an ...

So you're booking your flight, and just when you're about to check out, the airline asks if you'd like to pay a little something to offset your share of the flight's pollution. Or, maybe you're an ...

So you’re booking your flight, and just when you’re about to check out, the airline asks if you’d like to pay a little something to offset your share of the flight’s pollution. Or, maybe you’re an ...