Surpassing the global temperature targets of the Paris climate agreement, even temporarily, could dramatically increase the risk of the world experiencing dangerous “tipping points,” according to research published Friday.
The Intergovernmental Panel on Climate Change (IPCC) defines tipping points as “critical thresholds in a system that, when exceeded, can lead to a significant change in the state of the system, often with an understanding that the change is irreversible.” Continue reading →
Secretary of State Antony Blinken with Greenland Prime Minister Múte Bourup Egede. Photo: Secretary Antony Blinken/Twitter
In 2016, Greenland’s then minister responsible for economic development, Vittus Qujaukitsoq, welcomed the appointment of Rex Tillerson, the former CEO of Exxon Mobil, as US secretary of state. Despite representing the centre-Left party Siumut (Forward) and being surrounded by some of the most visible consequences of the warming world, Qujaukitsoq and his colleagues saw the growing potential for mining and drilling brought by the melting glaciers on the world’s biggest island as an opportunity to bring in the cash which would allow the long-desired independence from Denmark. Continue reading →
Human activity may be pushing the climate beyond dangerous ‘tipping points,’ say 14,000 scientists. As the extreme drought emergency continues in California, historically low water levels are visible at Lake Oroville on July 22, 2021 in Oroville, California. Photo: NOAA
More than a year after the Covid-19 pandemic shut down economies around the world and sharply reduced worldwide travel—sparking speculation among some that emissions would plummet as a result—a coalition of scientists said in a paper published Wednesday that the planet is nonetheless reaching multiple “tipping points,” with levels of sea ice melt, deforestation, and other markers revealing that urgent action is needed to mitigate the climate emergency.
“The extreme climate events and patterns that we’ve witnessed over the last several years — not to mention the last several weeks — highlight the heightened urgency with which we must address the climate crisis,” said Philip Duffy, co-author of the study and executive director of the Woodwell Climate Research Center in Massachusetts. Continue reading →
The National Oceanic and Atmospheric Administration’s 14th annual Arctic Report Card includes a section that features commentary from Indigenous Peoples living along the Bering Sea. (Photo: NOAA/YouTube)
In addition to warning that “the feedback to accelerating climate change may already be underway,” the U.S. government’s latest report on conditions in the Arctic reveals that temperatures in the region are persistently warming, leading to land and sea ice melting, permafrost thawing, species being threatened with extinction, and putting Native communities at risk.
The National Oceanic and Atmospheric Administration on Tuesday published its 14th annual Arctic Report Card (pdf), which warns that “the Arctic marine ecosystem and the communities that depend upon it continue to experience unprecedented changes as a result of warming air temperatures, declining sea ice, and warming waters.” Continue reading →
An iceberg floats in Disko Bay, near Ilulissat, Greenland, on July 24, 2015. (Photo: Saskia Madlener/NASA/Flickr/cc)
A landmark United Nations climate report published Wednesday details the observed and anticipated future impacts of planet-heating emissions from human activity on the world’s oceans and frozen zones—and warns of the emerging consequences for humanity, marine ecosystems, and the global environment.
NOAA revealed Thursday that July 2019 was the hottest month on record since the U.S. government began recording temperature date in the lat 19th century. Photo: Martin/flickr
As climate scientists raise alarm over hotter and hotter global temperatures, a top U.S. weather agency reported on Thursday that July 2019 was the hottest month the planet has ever experienced since the government began recording global temperatures nearly 140 years ago.
NOAA’s monthly Global Climate Report revealed that last month the average worldwide temperature was 1.71 degrees Fahrenheit above the average temperature observed in the 20th century. Continue reading →
The Sawyer Glacier in Alaska, July 2016. The Arctic is enduring unprecedented warming this year, affecting Alaska and Greenland specifically. (Photo: Ian Keating, Flickr)
The climate crisis is rapidly warming the Arctic, and the effects are being felt from Alaska to Greenland.
The northernmost point on the planet is heating up more quickly than any other region in the world. The reason for this warming is ice–albedo feedback: as ice melts it opens up land and sea to the sun, which then absorb more heat that would have been bounced off by the ice, leading to more warming. It’s a vicious circle of warmth that’s changing the environment at the north pole.
In Alaska, the crisis led this year to the warmest spring on record for the state; one city, Akiak, may turn into an island due to swelling riverbanks and erosion exacerbated by thawing permafrost and ice melt. Massachusetts-based Woods Hole Research Center scientist Susan Natali toldThe Guardian that what’s happening in Akiak is just an indicator of the danger posed to Alaska by the climate crisis. Continue reading →
People take part in the Women’s March in San Francisco on Jan. 21, 2018. (Photo: Kathy Knorr/flickr/cc)bluebird womens march Women’s March SF Jan 21 2018
“Shocking,” “absolutely astonishing,” and “remarkable.”
That’s how climate scientists are describing the recent unusually warm temperatures in the Arctic.
As the Washington Postreported last week, the region is “stewing in temperatures more than 45 degrees (F) above normal. This latest huge temperature spike in the Arctic is another striking indicator of its rapidly transforming climate.” Continue reading →
What is happening in the Arctic will not stay in the Arctic.
In an ominous (though not hopeless) report published Friday, researchers warn that as many as 19 various ‘tipping points’ could be triggered by the increasingly warm temperatures in the world’s northern polar region.
The Arctic Resilience Report, produced under the auspices of the Arctic Council by an international team of researchers from multiple institutes and universities, is the first comprehensive assessment of its kind, looking at the unique region from a combined social and ecological perspective. By surveying and synthesizing a large body of previous research on how both communities and natural systems are responding to global warming, the report offers a worrying conclusion. Continue reading →