Add Yahoo as a preferred source to see more of our stories on Google. Carbon offsets have existed for decades, and the size of the voluntary carbon market has ballooned to about $2 billion. Many ...

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 ...

Carbon offsets have existed for decades, and the size of the voluntary carbon market has ballooned to about $2 billion. Many countries and countless companies, including giants like Amazon and FedEx, ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. So you’re booking your flight, and just when ...

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 ...