Is There a Carbon Tax?

World economy could shrink by 23 trillion dollars by 20 50, due to climate ca 23 trillion. Economy 14 point five trillion dollars by20 70. By 21 hundred it could be costing the ustacot us. Economy two trillion dollars per year. And that's less than half of gol we'll lose if we don't do anything about global warming. It's more costly not to make these investments.