A Global Context
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A large sea wave resulting from a tectonic shift.

When water is too warm coral will eject the algae in their tissues making them turn white. It is a sign of stress and an indicator of poor health and even the death of the coral.

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

The transmission of cultural ideas and practices around the world.

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.

The zone between protected wild land and land being developed.

A seasonal wind in South East Asia that blows from land to sea in October to May (dry monsoon ) and from sea to land on May to September bringing rain (wet monsoon).

Generally refers to any sustained period of cooler weather, but more specifically often used to the period from 2.5 million to 10,000 years ago when permanent ice sheets were created and the weather cooled dramatically.

A phenomenon in which areas that typically received greater amounts of precipitation become drier and take on characteristics more prevalent in desert climates.

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

A global change in mortality and fertility that occurred around 1800, but also refers to the four phases of transition.

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

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