Life In Canada
As a cold northern
country, Canada will be
one of the most greatly affected countries in the world. Temperatures are rising, particularly in the Arctic, where permafrost is thawing and the ocean's ice cover is shrinking. Even greater changes are expected in the future.

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Ongoing Activities
Interested in ways to help conserve our environment? Check out our ongoing activities to see how you can get involved.

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Measuring the Changes

Recent studies have shown that in the last 130,000 years climate can change very quickly and then reverse those changes quickly. We can study past climate conditions by looking at ice cores, ocean sediment cores, and pollen records. These records show periods of climate warming followed by cooling. So the records and evidence shows that climate is changeable and in fact has always changed. Scientists use a variety of tools. Reliable global temperature records only exist back to 1860. However, ice cores, tree rings, and coral reefs all release evidence of temperature change going back many millennia. They tell us that climate is variable, and that we have always experienced changes in our climate. The difference today is in the speed of the change and its magnitude. Today, we use sophisticated computer models to determine future projections and Canadian models are considered among the best in the world.