A Global Context
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A model of different stages that begins with high birth and death rates, moves through increasing birth rated and declining death rates to low birth rates and long life expectancy.

A measure of the number of individuals below 14 and over 65 when compared to the total working aged population.

A term denoting the arrival of Europeans to the Americas, which resulting in vast demographic changes to indigenous populations.

Occurs when birth rates fall to a point that requires less investment in the very young, but before more investment is required on the elderly, and results in the relative and absolute increase of younger, more productive workers.

Adapting to the challenges of climate change.

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

The amount of land required to support human activities.

The period around 1800, centered in Britain, in which manufacturers rapidly discovered and implemented new ways of creating products.

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

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

The ability to meet the needs of the present without destroying the needs of the future.

A term describing how material becomes a resource when it is valued and traded, has a price equivalent, and it enters the arena of things bought and sold.

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