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This article highlights cuts in government spending in the US, specifically on airports and airlines. We know that government spending is a major component of aggregate demand. If government spending goes down, it is likely we will see a shift left in the aggregate demand. This is the result of about 10% fewer workers at any given time in the air transportation industry around the country. The article specifically highlights that this includes air traffic controllers as the decrease in them most affects consumers.

This article shows how the air in China is getting more polluted every year, and the population has only two choice: stay home or go around with a mask, hoping not to have any breathing problems. This connects with tragedy of the commons, since air is a common and people pollute it by using cars without thinking about the consequences. China is so populated, that the large use of cars is highly polluting the streets. In addition, there are industries that pollute and nothing is being done because air is a common.

WASHINGTON - Airlines and airports across the country are preparing for across-the-board federal budget cuts due to hit next week as if they were a hurricane, although with even less certainty about how many flights they will have to cancel and how many passengers will be stranded.

This article highlights how certain macroeconomic indicators in India are suggesting that the Indian Economy may be recovering from a "valley" in India's Business Cycle. Aggregate Demand is increasing due to the increase in consumption (the article specifies tourism and domestic air travel). Furthermore, "foreign trade related indicators" have increased hinting at an increase in the aggregate supply of India as well.

This article doesn't have as much economic terminology as I would have liked but it proves a very important point using a topic I really enjoy, chemistry. Helium is not thought to be a very useful nor uncommon element and while the former is completely untrue, the latter is just a bit misleading. It is the second most abundant element in the universe, the first being hydrogen, but it's not as easy for us to get. As most people know, helium is lighter than air, so every time we find helium we have to catch it before it escapes into the atmosphere. Once it makes it out of our grasp, whether via a balloon or from careless mining of natural gas reserves, it might as well be gone. In the late 20th century, the US government had a huge reserve of helium gas and so, to get rid of a lot of it, they artificially set the price so that it costed less than it really should have. Even though we now recognize the value that this noble gas has, the price still hasn't been increased properly and it is still being sold off by the tank full for birthday parties and other celebrations. Helium is used for a lot more than sounding like a chipmunk. Without it, technology such as rockets, lasers, and the Hadron Collider wouldn't work. What this all goes to show is that the scarcity of a product isn't just about how much of it exists, but how much of it we can get to.