A Global Context
Drag and drop items on the left to the corresponding item on the right. View accessibility instructions.

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

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.

A scientific organization established by the United Nations to provide objective information on climate change and its possible impacts

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

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 zone between protected wild land and land being developed.

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

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

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 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.

Back to top