"The U.S. economy added 236,000 jobs in February, according to a Labor Department report released Friday. " and the unemployment rate is down to its lowest level since December 2008 by this february, even though there are still a lot of problems, like people who got cut off on their jobs are still a lot, but in general, the employment rate got higher, we can tell from the graph this article gave to us.

this article talks about if we are going to have carbon tax as the increasing of using resource such like fuel by the companies, and the companies made a lot of pollution, it give us a negative externality as a whole. all the people on earth has a bad effect by the pollution, increasing of the carbon is one of the thing companies made, in order to stop companies from keeping producing carbon, let's think about put the carbon tax.