A Global Context
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A layer of soil that remains frozen all the year round.

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

An economic trade agreement signed in 2016 by twelve countries along the Pacific Rim

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).

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

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 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.

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

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

Adapting to the challenges of climate change.

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

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