permafrost

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Scientists have identified two-million-year-old DNA, the oldest ever recovered, from Arctic permafrost.

From Scientific American

In the Arctic, herds of caribou and other large animals compact snow, preventing permafrost melt.

From Salon

The dissonance between the regions is the consequence of two forces shifting weather in Canada’s north: melting permafrost, which releases heat-trapping methane, and loss of ice in the Arctic.

From Washington Post

Overshooting is risky, as the report acknowledges, because it might trip tipping points that can't be uncrossed, such as the melting of permafrost that would in turn release vast amounts of warming gases.

From BBC

These extremes are contributing to biodiversity loss, increased tree mortality, more and worse wildfires and a loss of carbon from natural systems such as permafrost.

From Scientific American