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

A rapid increase in the number of people between the ages of 15 and 24.

Storms that develop over warm seas and ocean and then move across the surface of the globe that can generate high winds, tidal surges and heavy rain.

A logarithmic scale that measure seismic disturbances from 1 to 10.

The process by which improvements in transport make it quicker to cover the same distance and thus bring places closer together.

A storm arising over warm sea water that produces heavy rainfall and punishing winds The terms 'hurricane' and 'cyclone' are also used.

The global exchange of plants and animals unique to either the Old World or the New World.

Attempts to reduce climate change

The economic and political alliance of most European countries.

An indicator used to describe and measure the number of distinct plant and animal species in a given geographical area.

A gas produced from the burning of carbon. The increasing amount in the atmosphere is responsible for climate change.

The growing political cooperation between states and their greater use of transnational organizations and global nongovernment organizations.

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