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 gas produced from the burning of carbon. The increasing amount in the atmosphere is responsible for climate change.
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 change in climate that takes different forms across the globe.
A layer of soil that remains frozen all the year round.
The economic and political alliance of most European countries.
A logarithmic scale that measure seismic disturbances from 1 to 10.
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).
A rapid increase in the number of people between the ages of 15 and 24.
The ability to meet the needs of the present without destroying the needs of the future.
A global change in mortality and fertility that occurred around 1800, but also refers to the four phases of transition.
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