North America
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A country in which the city and the state are essentially one and the same.

Hazards caused by human action.

Seasonal migrants who leave cold regions in the winter months for warmer climes.

An agreement between countries that typically results in reduced barriers to trade and investment flows between the countries. Examples include NAFTA and the TPP.

Areas of environmental contamination. Some of the most polluted sites in the US designated for clean up.

A storm of violently rotating wind.

A segment of the economy that is made up of jobs and services performed as opposed to goods produced.

The 750-mile active zone between he Pacific and North American plates that runs from San Francisco down to southern California.

The idea that small issues such as broken windows need to be addressed in order to instill a sense of civic pride. Also used to refer to a policing strategy that addresses small issue such as panhandling in order to prevent more serious crimes.

A major sailing route that linked Europe, Africa and the New World in the transport of goods and slaves.

A former industrial site affected by environmental contamination.

An area of volcanic activity. Not caused by plate tectonics but by plumes from the mantle.

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