Climate Change Working Group

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The mission of this working group is to explore the evidence regarding points of leverage assisting human groups in coping with or reducing the risk of global climate change.

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This working group is focused on issues of Global Climate Change.
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admin Albert Gomez Amanda Cole Anthony ChrisAllen david hastings
fosternt Kathy Gilbeaux Maeryn Obley mashalshah mdmcdonald MDMcDonald_me_com
Nguyen Ninh StarDart

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Here’s What Global Warming Looks Like Month By Month for 137 Years

                                                     (CLICK ON THE IMAGE BELOW TO ENLARGE)

           

Data: National Oceanic and Atmospheric Administration; Chart: Chris Canipe/Axios

axios.com - by Chris Canipe, Andrew Freedman - June 21, 2018

The Earth is warmer now than at any time since reliable record-keeping began in 1880, and we're continuing to warm at an accelerated rate. In fact, the Earth is warmer now than at any point in modern human civilization.

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A Radical New Scheme to Prevent Catastrophic Sea-Level Rise

           

A Princeton glaciologist says a set of mega-engineering projects may be able to stabilize the world’s most dangerous glaciers.

CLICK HERE - West Antarctic Ice Sheet Collapse – The Fall and Rise of a Paradigm

theatlantic.com - by Robinson Meyer - January 11, 2018

 . . . What if scientists could prevent one catastrophic symptom of climate change—a rapid rise in global sea level, for instance—without messing again with the weather?

Michael Wolovick, a glaciology postdoc at Princeton University, believes it may be possible.

For the past two years, Wolovick has studied whether a set of targeted geo-engineering projects could hold off the worst sea-level rise for centuries, giving people time to adapt to climate change and possibly reverse it.

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World at Risk of Heading Toward Irreversible 'Hothouse' State

           

People take part in protests ahead of a G20 summit in Hamburg, Germany July 2, 2017. Placard reads "Global Warming is NOT a Myth". REUTERS/Hannibal Hanschke/File Photo

CLICK HERE - STUDY - PNAS - Trajectories of the Earth System in the Anthropocene

reuters - by Nina Chestney - August 6, 2018

The world is at risk of entering “hothouse” conditions where global average temperatures will be 4-5 degrees Celsius higher even if emissions reduction targets under a global climate deal are met, scientists said in a study published on Monday . . .

 . . . Around 200 countries agreed in 2015 to limit temperature rise to “well below” 2C (3.6F) above pre-industrial levels, a threshold believed to be a tipping point for the climate.

However, it is not clear whether the world’s climate can be safely “parked” near 2C above pre-industrial levels or whether this might trigger other processes which drive further warming even if the world stops emitting greenhouse gases, the research said . . .

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Extreme Global Weather is 'the Face of Climate Change' Says Leading Scientist

           

Emergency workers among damaged vehicles in a open parking area of northern Athens after a flash flood struck the Greek capital. Photograph: Angelos Tzortzinis/AFP/Getty Images

Exclusive: Prof Michael Mann declares the impacts of global warming are now ‘playing out in real-time’

theguardian.com - by Damian Carrington - July 27, 2018

The extreme heatwaves and wildfires wreaking havoc around the globe are “the face of climate change,” one of the world’s leading climate scientists has declared, with the impacts of global warming now “playing out in real time.”

Climate change has long been predicted to increase extreme weather incidents, and scientists are now confident these predictions are coming true.  Scientists say the global warming has contributed to the scorching temperatures that have baked the UK and northern Europe for weeks.

The hot spell was made more than twice as likely by climate change, a new analysis found, demonstrating an “unambiguous” link.

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Japan Floods: Death Toll Rises to 200, as UN Offers Assistance

           

PHOTO: Workers and volunteers are working hard to clear mud and debris from roads and towns. (AP: Takaki Yajima/Kyodo News)

The death toll from Japan's worst flooding disaster in 36 years has risen to 200, as authorities continue to search for dozens still missing.

abc.net.au - July 12, 2018

Heavy rains hit much of western Japan from Thursday last week, with 583 millimetres of rain falling between Friday and Saturday morning alone.

Millions were forced to evacuate due to floods and landslides, with most of the 200 people who have died from the Hiroshima and Okayama prefectures.

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West Antarctic Ice Melt Poses Unique Threat to U.S.

           

Sea level rise contributions from ice melt in different areas, including Greenland (a), West Antarctica (b), East Antarctica (c) and median of global glaciers (d). Values are ratios of regional sea level change to global mean sea level change. Adapted from Kopp et al. 2015.

axios.com - by Andrew Freedman - June 14, 2018

News of Antarctica's accelerating ice melt garnered worldwide headlines yesterday, as scientists revealed that 3 trillion tons of ice has been lost to the sea since 1992 — mostly from the thawing West Antarctic Ice Sheet and Antarctic Peninsula.

Why it matters: The location of the ice melt is important for determining the future of coastal communities, according to climate scientists. And, due to West Antarctica melting, it turns out that the U.S. coastline will be hit extra hard . . .

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Antarctic ice loss has tripled in a decade. If that continues, we are in serious trouble.

           

Scientists warns time is running out to save the Antarctic and its unique ecosystem, with potentially dire consequences for the world. Photograph: Daniel Beltrá/Greenpeace

CLICK HERE - IMBIE - ANALYSIS - Mass balance of the Antarctic Ice Sheet from 1992 to 2017

washingtonpost.com - by Chris Mooney - June 13, 2018

Antarctica’s ice sheet is melting at a rapidly increasing rate, now pouring more than 200 billion tons of ice into the ocean annually and raising sea levels a half-millimeter every year, a team of 80 scientists reported Wednesday.

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Hurricanes Are Lingering Longer. That Makes Them More Dangerous.

           

Hurricane Harvey over the Gulf of Mexico in August 2017. The storm stalled over Texas and dropped nearly 50 inches of rain in some places.  Credit NOAA/NASA GOES Project

CLICK HERE - STUDY - A global slowdown of tropical-cyclone translation speed

A new study shows that storms are staying in one place longer, much like Hurricane Harvey did last year.

nytimes.com - by Kendra Pierre-Louis - June 6, 2018

 . . . A study published Wednesday in the journal Nature focuses on what is known as translation speed, which measures how quickly a storm is moving over an area, say, from Miami to the Florida Panhandle. Between 1949 and 2016, tropical cyclone translation speeds declined 10 percent worldwide, the study says. The storms, in effect, are sticking around places for a longer period of time.

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Hitting Toughest Climate Target Will Save World $30tn in Damages, Analysis Shows

           

Dunlaw Wind Farm at Soutra Hill North in the Scottish Borders. The US president has claimed that climate action is too costly. Photograph: Murdo Macleod for the Guardian

Almost all nations would benefit economically from keeping global warming to 1.5C, a new study indicates

CLICK HERE - ABSTRACT - Large potential reduction in economic damages under UN mitigation targets

CLICK HERE - RESEARCH LETTER - Large potential reduction in economic damages under UN mitigation targets

theguardian.com - by Damian Carrington - May 23, 2018

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Hurricanes Are Strengthening Faster Than They Did 30 Years Ago

                   

A new study found that hurricanes intensify more quickly now than they did 30 years ago. Hurricanes from 2017 like Irma (center), and Jose (right) are examples of these types of hurricanes. Hurricane Katia is seen on the left.  (Photo: NOAA)

usatoday.com - by Doyle Rice - May 10, 2018

With the start of hurricane season just three weeks away — and memory of last year's disastrous storms still fresh — scientists reported that powerful hurricanes are strengthening faster than they did 30 years ago.

Four of the monster hurricanes last year (Harvey, Irma, Jose and Maria) all intensified rapidly — when the maximum wind speed increases at least 29 mph within 24 hours . . .

 . . . According to a study out this week, the main cause appears to be a natural climate phenomenon that warms the seawater where hurricanes typically intensify in the Atlantic.

(CLICK HERE - READ COMPLETE ARTICLE)

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