Climate Change Working Group

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Unusually Warm Sea Water Boosted 2017's Catastrophic Hurricane Season

Fri, 2018-09-28 09:28 — Kathy Gilbeaux

A Sept. 7, 2017, satellite image from NOAA shows the eye of Hurricane Irma, left, just north of the island of Hispaniola, with Hurricane Jose, right, in the Atlantic Ocean. Six major hurricanes formed in the Atlantic in 2017, including Harvey, Irma and Maria. (Photo: AP)

CLICK HERE - STUDY - Dominant effect of relative tropical Atlantic warming on major hurricane occurrence

usatoday.com - by Doyle Rice - September 27, 2018

The catastrophic 2017 hurricane season – which included such monsters as Harvey, Irma and Maria – was fueled in part by unusually warm ocean water, a new study suggests.

And because of human-caused global warming, the study said similar favorable conditions for fierce hurricanes will be present in the years and decades to come . . .

. . . "We show that the increase in 2017 major hurricanes was not primarily caused by La Niña conditions in the Pacific Ocean, but mainly by pronounced warm sea surface conditions in the tropical North Atlantic," the study said.

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Two Million Risk Hunger After Drought in Central America - U.N.

Sat, 2018-09-15 16:53 — Kathy Gilbeaux

Maria Jesus Lopez shows a corn ear in a drought-affected farm near the town of San Marcos Lempa, El Salvador, July 25, 2018. REUTERS/Jose Cabezas

Central America is one of the regions most vulnerable to extreme weather linked to climate change

Thomson Reuters Foundation - news.trust.org - by Anastasia Moloney - September 7, 2018

Poor harvests caused by drought in parts of Central America could leave more than two million people hungry, the World Food Programme (WFP) said on Friday, warning climate change was creating drier conditions in the region.

Lower than average rainfall in June and July has led to major crop losses for small-scale maize and bean farmers in Central America's "Dry Corridor", which runs through Guatemala, El Salvador, Honduras and Nicaragua.

This means subsistence farmers will not have enough food to eat or sell in the coming months, and have no food supplies to see them through the lean time between harvests.

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

Sun, 2018-09-09 18:19 — Kathy Gilbeaux

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

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A Radical New Scheme to Prevent Catastrophic Sea-Level Rise

Sat, 2018-09-01 08:08 — Kathy Gilbeaux

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

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

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World at Risk of Heading Toward Irreversible 'Hothouse' State

Tue, 2018-08-07 09:13 — Kathy Gilbeaux

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

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

Sat, 2018-07-28 19:01 — Kathy Gilbeaux

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

Thu, 2018-07-12 14:57 — Kathy Gilbeaux

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.

Fri, 2018-06-15 21:52 — Kathy Gilbeaux

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

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

Wed, 2018-06-13 17:42 — Kathy Gilbeaux

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

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

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Hurricanes Are Lingering Longer. That Makes Them More Dangerous.

Wed, 2018-06-06 22:59 — Kathy Gilbeaux

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

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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