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Sea ice atop the Arctic Ocean. NASA

Warm Waters Under Arctic Ice a 'Ticking Time Bomb'

Scientists warn that a warm layer of salty ocean water accumulating 50 meters beneath the Arctic's Canadian Basin could potentially melt the region's sea-ice pack for much of the year if it reaches the surface.

The findings were published Thursday in the journal Science Advances by researchers from Yale University and Woods Hole Oceanographic Institution.

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Bernard Spragg. NZ / Flickr

World's Largest Shipping Company to Send First Ship Through Melting Arctic

Denmark's Maersk Line, the world's largest shipping company, will soon be the first to send a container vessel through Russia's Northern Sea Route, as the melting Arctic opens up new trade possibilities.

The Northern Sea Route has been historically impossible or prohibitively expensive to cross due to frozen sea ice. But the Arctic is warming at a rate twice as fast as the rest of the globe due to climate change and has significantly thawed the region's ice.

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Cars drive down a hill in a mandatory evacuation area as the Holy Fire burns in Cleveland National Forest on Aug. 8 in Lake Elsinore, California. The fire has burned at least 6,200 acres and destroyed twelve structures. Mario Tama / Getty Images

Summer Rainfall Declines ‘Primary Driver’ of Surge in U.S. Wildfires

By Daisy Dunne

Sharp declines in summer rainfall could be a "primary driver" of the record-breaking wildfires ripping across the western U.S., research shows.

Using satellite data, the study finds that there have been "previously unnoted" declines in summer rainfall across close to a third of forests in the western U.S. over the past four decades. These declines are "strongly correlated" with wildfire increases, the study finds.

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Wikimedia Commons

Strongest, Oldest Arctic Sea Ice Breaks Up for First Time on Record

The Arctic is warming at a rate twice as fast as the rest of the globe, and now the region's thickest and oldest sea ice—also known as "the last ice area"—is breaking up for the first time on record, the Guardian reported Tuesday.

The breakage has opened up waters north of Greenland that are normally frozen-solid even in the peak of summer.

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iStock / Getty Images

Scientists Warn We May Be on Track for 'Hothouse Earth'

In two recent studies, scientists have looked into the future and into the past to see what might happen to the global climate if we fail to curb greenhouse gas emissions in time. The results are frightening.

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Zeiss4Me / Getty Images

State of the Climate Report Confirms Planet Has Entered 'New Neighborhood' of Global Temperatures

The National Oceanic and Atmospheric Administration (NOAA) released the results of what it calls the "annual checkup for the planet" Wednesday, and the patient is not doing well.

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Moon with orange-colored troposphere band, the lowest and most dense portion of the earth's atmosphere. NASA

‘Powerful Evidence’ of Global Warming’s Effect on Seasons Found in Troposphere

By Daisy Dunne

Scientists studying the troposphere—the lowest level of the atmosphere—have found "powerful evidence" that climate change is altering seasonal temperatures.

A study published in Science finds that climate change has caused an increase in the difference between summer and winter temperatures across North America and Eurasia over the past four decades.

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Sea level rise is a natural consequence of the warming of our planet. NASA Goddard Space Flight Center

We Can’t Hide From Global Warming’s Consequences

Over the past few months, heat records have broken worldwide.

In early July, the temperature in Ouargla, Algeria, reached 51.3°C (124.34°F), the highest ever recorded in Africa! Temperatures in the eastern and southwestern U.S. and southeastern Canada have also hit record highs. In Montreal, people sweltered under temperatures of 36.6°C (97.88°F), the highest ever recorded there, as well as record-breaking extreme midnight heat and humidity, an unpleasant experience shared by people in Ottawa. Dozens of people have died from heat-related causes in Quebec alone.

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An iceberg is threatening to break and flood the village of Innarsuit. Karl Petersen / Getty Images

Giant Iceberg Threatens Tiny Greenland Village

Add another potential disaster to the climate change hazard list: iceberg caused tsunamis.

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