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This is an externality of production because the air pollution from the buses imposes an unpaid social cost upon society; the article then discusses how the government plans to fine people to deter this activity and raise revenue.

The use of normal cars creates a negative externality of consumption; through the air pollution and noise pollution that is created. The intention to launch an electric car share program in Paris reduces this negative externality; as electric cars do not make any noise and do not (directly) cause air pollution.

This article concerns the problems that are being caused by a wagon-assembly factory in India. Not only does the factory cause air-pollution through fumes, but it also causes noise-pollution and vibrations that make living in the area very uncomfortable. This clearly illustrates how the MSC is much greater than the MPC of production, and is therefore is therefore a "Negative Externality of Production".

Although part of this article talks about the hypocrisy of staging Climate Change Comferences (due to the environmental implications of travelling to it), the middle of it talks about some economics. Instead of just harping on the envoronmental effects of climate change, people are suggesting that the negative externalities of creating pollution may begin to affect a country's GDP. This is interesting because now the social cost that the company should have paid is now being bounced back for everyone to pay.

This article talks about how the rainy season in Malaysia has affected the roads in Johor Bahru (JB). The potholes raises the risk of accidents and contributes to noise pollution. "There are already many of my friends poking fun that JB means (Jalan Berlubang)." ---- Jalan Berlubang is Malaysian for roads with holes!

This article discusses the environmental and human health costs of power plants. These type of costs would be considered negative externalities of production, because they are harmful effects that do not effect the firm producing the power, but rather a third party, society as a whole. When producers are making the power, they value the cost as the private costs to their firms, but as outlined by this article, there are many social costs which they do not consider, and this leads to over-production, which means the market is failing, as the resources are not being allocated efficiently. An interesting aspect is that they are able to put a true "cost" on environmental and health effects, which can be quite hard to determine.