North America Turns as Freezing and Frozen as the Arctic

North America is presently under a severe cold spell and is as freezing and frozen as the Arctic.

Ice builds up along Lake Michigan in Chicago, Illinois

The mercury has gone so low that has not been seen in two decades - and may further dip.

It has been reported that From Montana to Maryland, about half of the US population has been placed under a wind chill warning or advisory.

Temperatures were set to plummet overnight in New York and Washington DC by as much as 45 degrees, from unseasonably clement highs a day earlier.

A shopper fights the elements in a grocery store car park in Michigan

While in Canada, the province of Ontario is facing temperatures of -40C (-40F) with wind chill.

The weather has been blamed for at least 16 deaths in recent days.

Read details at: BBC News
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Arctic melt releasing ancient methane

Scientists have identified thousands of sites in the Arctic where methane that has been stored for many millennia is bubbling into the atmosphere.

The methane has been trapped by ice, but is able to escape as the ice melts.

Writing in the journal Nature Geoscience, the researchers say this ancient gas could have a significant impact on climate change.

Methane is the second most important greenhouse gas after CO2 and levels are rising after a few years of stability.

Read more: BBC News

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