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2019 SkS Weekly Climate Change & Global Warming Digest #36

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2019 SkS Weekly Local weather Change & International Warming Digest #36

Posted on 15 September 2019 by John Hartz

Story of the Week… Toon of the Week… Coming Quickly on SkS… Local weather Suggestions Evaluations… SkS Week in Overview… Poster of the Week…

Story of the Week…

The air above Antarctica is all of a sudden getting hotter – right here’s what it means for Australia

Antarctica via NASA satellite

Antarctic winds have an enormous impact on climate elsewhere. Picture: NASA Goddard House Flight Middle/Flickr CC BY-SA

Report heat temperatures above Antarctica over the approaching weeks are prone to deliver above-average spring temperatures and below-average rainfall throughout massive components of New South Wales and southern Queensland.

The warming started within the final week of August, when temperatures within the stratosphere excessive above the South Pole started quickly heating in a phenomenon referred to as “sudden stratospheric warming”.

Within the coming weeks the warming is forecast to accentuate, and its results will lengthen downward to Earth’s floor, affecting a lot of japanese Australia over the approaching months.

The Bureau of Meteorology is predicting the strongest Antarctic warming on document, prone to exceed the earlier document of September 2002.

The air above Antarctica is all of a sudden getting hotter – right here’s what it means for Australia by Harry Hendon, Andrew B. Watkins, Eun-Pa Lim & Griffith Younger , The Dialog AU, Sep 6, 2019

Click on right here to entry your entire article. 

Toon of the Week…

 2019 Toon 36

Hat tip to the Fb web page of Cease Local weather Science Denial

Coming Quickly on SkS…

Local weather implications of the EPA methane rule rollback (Dana)
Skeptical Science New Analysis for Week #36, 2019 (Doug Bostrom)
How local weather change is making hurricanes extra harmful (Jeff Berardelli)
What psychotherapy can do for the local weather and biodiversity crises (Caroline Hickman)
A small electrical airplane demonstrates promise, obstacles of climate-friendly air journey (Lindsay Fendt)
2019 SkS Weekly Local weather Change & International Warming Information Roundup #37 (John Hartz)
2019 SkS Weekly Local weather Change & International Warming Digest #37 (John Hartz)

Local weather Suggestions Evaluations…

[To be added.]

Poster of the Week…

2019 Poster 36 

SkS Week in Overview… 

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Climate Change

Sanders’ drastic climate policies are not the fastest way to address climate change

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Scenes of devastation from Australia’s fires have been heartbreaking. How can we cease this struggling? For a lot of campaigners and politicians like Sen. Bernie Sanders, the reply is clear-cut: drastic local weather insurance policies. After we look at the proof, this straightforward reply falls brief.

Australia is the world’s most fire-prone continent, in line with 2018 scientific analysis printed within the journal International Change Biology. A 2005 examine in the identical journal exhibits that in 1900, 11% of its floor burned yearly. Nowadays, some 5% of the nation burns yearly.

By the top of the century, if we don’t cease local weather change, larger temperatures and a rise in aridity will probably imply a 0.7 proportion level enhance in burnt space, in line with a examine printed in Environmental Analysis Letters in 2014, a rise from 5.3% of Australia to six%.

This enhance isn’t trivial, and it’s an argument for efficient local weather change motion. By far essentially the most impactful, sensible coverage is a dramatic enhance in funding in low- and zero-carbon vitality innovation.

That’s as a result of, for many years to come back, photo voltaic and wind vitality will likely be neither low-cost sufficient nor efficient sufficient to exchange fossil fuels. As we speak, Worldwide Power Company numbers present that photo voltaic and wind make up simply 1.1% of worldwide vitality use, and the IEA estimates that even after we spend $Three trillion extra on subsidies, they won’t even attain 5% by 2040.

Innovation is required to convey down the value of inexperienced vitality, with analysis for Copenhagen Consensus displaying inexperienced analysis and growth to be essentially the most cost-effective local weather coverage. We have to discover breakthroughs for batteries, nuclear, carbon seize and a plethora of different promising applied sciences. Innovation can remedy our local weather problem.

Sadly, many studies on Australia’s fires have exploited the carnage to push a selected agenda, resting on three concepts: that wildfire is worse than ever, that that is attributable to international warming, and that the one answer is for political leaders to make even larger carbon minimize guarantees.

Globally, wildfire burns much less land than it used to, in line with a 2016 Royal Society examine and a 2014 examine printed in JGR: Biogeosciences. Since 1900, international burnt space has decreased by greater than one-third, due to agriculture, fireplace suppression and forest administration. Within the satellite tv for pc period, each NASA and different teams doc important decreases.

Surprisingly, this lower is even true for Australia. Satellites present that from 1997-2018 the burnt space declined by one-third. Australia’s present fireplace season has seen much less space burned than earlier years. The Guardian newspaper studies that as much as Jan. 26 2020, wildfire burned 19.Four million hectares in Australia — about half the common burn over the same timeframe of 37 million hectares within the satellite tv for pc document. (Really the satellites present 46 million hectares burned, however 9 million hectares are probably from prescribed burns.)

When the media suggests Australia’s fires are “unprecedented in scale,” they’re unsuitable. Australia’s burnt space declined by greater than a 3rd 1900-2000, and has declined over the satellite tv for pc interval. This fireplace season on the time of writing, 2.5% of Australia’s space has burned in comparison with the final 10 years’ 4.8% common by this level.

What’s completely different this 12 months is that fires have principally been in New South Wales (residence to Sydney) and Victoria (Melbourne). These are essential states with a little bit greater than half the nation’s inhabitants — and plenty of of its media retailers.

Peer-reviewed estimates printed in Environmental Analysis Letters in 2014 of the way forward for Australia’s fireplace see a long-term enhance in burnt space due to international warming. However these estimates present the impact of local weather change doesn’t enhance Australia’s burnt space till the 2030s or 2040s. A brand new assessment of accessible information performed by researchers from the U.Ok. and Australia suggests it’s not really attainable to detect a hyperlink between international warming and fireplace for Australia at present. A rise will solely turn into detectable within the 2040s. The pictures coming from Australia are surprising, however pictures mustn’t trump science.

Throughout the Tasman Sea, New Zealand is aiming to attain carbon neutrality by 2050. The federal government’s personal commissioned report, performed by the New Zealand Institute of Financial Analysis, exhibits it will price 16% of the nation’s annual financial system, or $5 trillion over the century. It can solely scale back temperatures by four-thousands of a level by 2100.

Replicate these prices throughout Australian states and around the globe; taxpayers are simply not going to resist that type of ache, whatever the intention. The world’s poor international locations are by no means going to have the ability to afford to observe via. The prices alone make this answer to local weather change wishful pondering.

This feeble, flawed response is pathetic. We have to spend way more sources on inexperienced vitality analysis and growth to develop medium-term options to local weather change. And we additionally ought to concentrate on the numerous easy measures that may assist now.

Wildfire scientists have persistently informed us that forest gas ranges maintain growing, making excessive bushfires more likely. Managed burns cheaply and successfully scale back high-intensity wildfires. Different wise insurance policies embrace higher constructing codes, mechanical thinning, safer energy traces, lowering the potential for unfold of lightning-caused wildfires, campaigns to cut back deliberate ignitions, and gas discount across the perimeter of human settlements.

The compassionate, efficient response to Australia’s tragedy is to concentrate on the insurance policies that might really assist.

Bjorn Lomborg is president of the Copenhagen Consensus, a visiting fellow on the Hoover Establishment, Stanford College and a visiting professor on the Copenhagen Enterprise College.

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Climate Change

2020 SkS Weekly Climate Change & Global Warming News Roundup #8

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2020 SkS Weekly Local weather Change & World Warming Information Roundup #8

Posted on 22 February 2020 by John Hartz

A chronological itemizing of reports articles linked to on the Skeptical Science Fb Web page through the previous week, i.e., Solar, Feb 16, 2020 by means of Sat, Feb 22, 2020

Editor’s Decide

JP Morgan economists warn local weather disaster is menace to human race

Leaked report for world’s main fossil gas financier says Earth is on unsustainable trajectory

C02 emissions from coal-fired power plants

The JP Morgan paper mentioned ‘catastrophic outcomes’ couldn’t be dominated out. {Photograph}: Dimitar Dilkoff/AFP through Getty Pictures

The world’s largest financier of fossil fuels has warned shoppers that the local weather disaster threatens the survival of humanity and that the planet is on an unsustainable trajectory, in response to a leaked doc.

The JP Morgan report on the financial dangers of human-caused international heating mentioned local weather coverage needed to change or else the world confronted irreversible penalties.

The research implicitly condemns the US financial institution’s personal funding technique and highlights rising considerations amongst main Wall Road establishments concerning the monetary and reputational dangers of continued funding of carbon-intensive industries, akin to oil and gasoline. 

JP Morgan economists warn local weather disaster is menace to human race by Patrick Greenfield and Jonathan Watts, Surroundings, Guardian, Feb 21, 2020

Articles Linked to on Fb

Solar, Feb 16, 2020

Scotland to achieve 100% renewables in time to host 2020 local weather summit by Sophie Vorath, Renew Financial system, Jan 23, 2020
Crossing the Line: A Scientist’s Highway From Neutrality to Activism by Phil McKenna, InsideClimate Information, Feb 11, 2020
Traders welcome Poland’s choice to freeze final coal-fuelled plant undertaking by Agnieszka Barteczko & Izabela Bieszk, Reuters, Feb 14, 2020
Governor-Appointed Council Appears At Lowering Greenhouse Gases, Local weather Change by Kayla Desroches, Audio, Montana Public Radio, Feb 14, 2020
Local weather change sending Hakuba’s snowfall fortunes downhill, Kyodo Information, Feb 14, 2020
World Warming: Pine Island loses 58 billion tons of ice yearly by Doyle Rice, World, USA At present, Feb 13, 2020
How you can Promote Local weather Motion to Your Rural Conservative Neighbors by Michael Bernard, Medium, Feb 11, 2020
CO2 emissions from human actions have imbalanced the atmospheric carbon price range, considerably contributing to local weather change, opposite to on-line declare, Edited by Katrin Kleemann, Local weather Suggestions, Feb 11, 2020

Mon, Feb 17, 2020

Local weather change driving surge in ‘day-night scorching extremes’ in northern hemisphere by Daisy Dunne, Carbon Temporary, Feb 11, 2020
The Quilters and Knitters Who Are Mapping Local weather Change by Rebecca Onion, Future Tense, Slate, Feb 8, 2020
Olympic wave riders in frontline of local weather change by Martyn Herman. Reuters, Feb 15, 2020
PM should prioritise local weather or Cop26 will fail, say main figures by Fiona Harvey, Surroundings, Guardian, Feb 14, 2020
‘The one uncertainty is how lengthy we’ll final’: a worst case situation for the local weather in 2050 by Christiana Figueres & Tom Rivett-Carnac, Surroundings, Observer/Guardian, Feb 14, 2020
How the oil trade pumped Individuals full of faux information by Kate Yoder, Grist/Canada’s Nationwide Observer, Feb 9, 2020

Tue, Feb 18, 2020

Feeling distressed about local weather change? Right here’s the right way to handle it by Julia Rosen, Science, Los Angeles Occasions, Jan 11, 2020
Amazon’s Jeff Bezos pledges $10bn to avoid wasting Earth’s setting by Richard Luscombe, Guardian, Feb 17, 2019
Australian authorities granted BHP repeated approval to extend carbon emissions by Adam Morton, Enterprise, Guardian Australia, Feb 16, 2020
Historic flood waters in Mississippi will recede later this week. However not earlier than extra rain might trigger points for hundreds by John Sutton & Hollie Silverman, CNN, Feb 18, 2020
Storm Dennis: Fears for Severn cities amid contemporary flood warnings, BBC Information, Feb 18, 2020
Researchers declare photo voltaic effectivity breakthrough for versatile ‘pores and skin’ by Lisa Cox, Surroundings, Guardian, Feb 17, 2020
As Planet Burns, One Million Species in World’s Eco-System in Hazard of Extinction by Thalif Deen, Inter Press Service (IPS), Feb 18, 2020
The false promise of “renewable pure gasoline” by David Roberts, Power & Surroundings, Vox, Feb 14, 2020

Wed, Feb 19, 2020

Can rationing carbon assist combat local weather change? by Frank Swain, Future Planet, BBC, Feb 17, 2020
Indigenous Lands Ace Biodiversity Measurements by Jason G Goldman, Sustainability, Scientific American, Feb 1, 2020
River Ice Is Disappearing by Sarah Derouin, EOS, Feb 18, 2020
Evaluation: Coronavirus has quickly diminished China’s CO2 emissions by 1 / 4 by Lauri Myllyvirta , Emissions, Carbon Temporary, Feb 19, 2020
Court docket denies Trump administration try and halt SC offshore drilling lawsuit by Bo Peterson, Put up & Courier (Charleston), Feb 18, 2020
The world is failing to make sure kids have a ‘habitable planet’, report finds by Saeed Kamali Dehghan, World Improvement, Guardian, Feb 19, 2020
How deniers keep the consensus hole by John Prepare dinner, Skeptical Science, Feb 18, 2020
A navy perspective on local weather change might bridge the hole between believers and doubters by Michael Klare, Surroundings & Power, The Dialog US, Feb 18, 2020

Thu, Feb 20, 2020

Trump Administration Begins Work on Subsequent Nationwide Local weather Report by Scott Waldman, E&E Information/Scientific American, Feb 18, 2020
For Many Nevada Latino Voters, Motion on Local weather Change is Key by Marianne Lavelle, InsideClimate Information, Feb 19, 2020
World warming inflicting ‘irreversible’ mass melting in Antarctica – scientist by Cordelia Hsu, Reuters, Feb 19, 2020
Oil and gasoline manufacturing is contributing much more to international warming than was thought, research finds by Drew Kann, CNN, Feb 19, 2020
New microgrids are serving to Australia get energy again after the fires by Adele Peters, Quick Firm, Feb 19, 2020
Considerations rise for Nice Barrier Reef well being as corals begin to bleach by Peter Hannam, Surroundings, Sydney Morning Herald, Feb 20, 2020
Local weather change has stolen greater than a billion tons of water from the West’s most important river by Juliet Eilperin, Local weather & Surroundings, Washington Put up, Feb 20, 2020
What Trump’s proposed NEPA rollback might imply for the local weather by Bruce Lieberman, Article, Yale Local weather Connections, Feb 20, 2020

Fri, Feb 21, 2020

Local weather change: Put a value on carbon air pollution, then refund the cash to customers, Opinion by Editorial Board, USA At present, Feb 20, 2020
Religion leaders press PM on local weather motion by Heather McNab, Canberra Occasions, Feb 20, 2020
High fear for younger Africans? Jobs and corruption – however inexperienced anxieties develop by Kim Harrisberg, Thomson Reuters Basis, Feb 20, 2020
Revealed: quarter of all tweets about local weather disaster produced by bots by Oliver Milman, Expertise, The Guardian, Feb 21, 2020
If we need to hold consuming chocolate, we’ve got to finish deforestation, Opinion by Dirk Van de Put, Commentary, Fortune Journal, Feb 16, 2020
How peer strain may also help cease local weather change by Robert Frank, Outlook, Washington Put up, Feb 20, 2020
Nice Barrier Reef might face ‘most intensive coral bleaching ever’, scientists say by Graham Readfearn, Surroundings, Guardian, Feb 21, 2020
New and up to date books about hope in a time of local weather change, Assessment by Michel Svoboda, Yale Local weather Connections, Feb 21, 2020

Sat, Feb 22, 2020

Vermont Home offers preliminary OK to World Warming Options Act, Vermont Enterprise Journal, Feb 20, 2020
UK watchdog to scrutinise how corporations, auditors calculate local weather threat by Simon Jessop, Muvija M & Matthew Inexperienced, Reuters, Feb 20, 2020
Ghost glaciers: the transcendent Anthropocene –in footage by Peter Funch, Guardian, Feb 20, 2020
JP Morgan economists warn local weather disaster is menace to human race by Patrick Greenfield and Jonathan Watts, Surroundings, Guardian, Feb 21, 2020
From afterthought to emergency: Local weather change now a key problem for Democratic voters by Brady Dennis, Local weather & Surroundings, Washington Put up, Feb 20, 2020
Democratic hopes for local weather coverage might come all the way down to this one bizarre Senate trick by David Roberts, Power & Surroundings, Vox, Feb 20, 2020
With each flood, public anger over the local weather disaster is surging, Opinion by Gaby Hinsliff, Remark is Free, Guardian, Feb 22, 2020

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Climate Change

Bots post quarter of climate change tweets

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Twitter logo seen displayed on a smartphone.Picture copyright
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A research by researchers at Brown College has discovered 1 / 4 of posts about local weather change on Twitter had been written by bots.

Bots are pc applications that may masquerade as people to publish or ship messages on social media.

Researchers found tweets posted by bots created the impression there was a excessive degree of local weather change denial.

The paper detailing the finds has not but been printed and was first reported by The Guardian newspaper.

The analysis workforce analysed 6.5 million tweets from the interval surrounding President Donald Trump’s June 2017 announcement that he was eradicating the US from the Paris local weather accord.

The discovering confirmed 25% of tweets on local weather change had been probably posted by bots. Most of these tweets centred on denials of worldwide warming or rejections of local weather science.

“These findings recommend a considerable affect of mechanized bots in amplifying denials messages about local weather change,” the authors of the reporter wrote, based on The Guardian.

Bots are automated to publish or ship messages however they have to be arrange by a human. The Brown College workforce couldn’t determine who was behind these local weather change denying bots.

Bots for either side

Researchers used a device from Indiana College known as Botometer to find out the likelihood {that a} tweet was despatched by bots or by people. Inside the overarching subject of local weather change, in addition they broke down a number of subcategories.

Tweets about “faux science” had been discovered to have been written by bots 38% of the time and 28% of tweets about oil firm Exxon had been posted by bots.

Posts in help of motion to guard the setting had been far much less prone to come from bots. Researchers discovered solely 5% of tweets advocating such motion got here from the sort of software program.

Emilio Ferrara, a analysis professor on the College of Southern California – who has carried out his personal analysis on the affect of bots – defined the sort of software program is used to amplify a message.

“Consider a bot as a megaphone,” Professor Ferrara mentioned.

“Bots give the impression that there’s natural help behind a motion or concept.”

Paris local weather accord

Through the days instantly surrounding President Trump’s announcement that the US was leaving the Paris settlement, there was a normal improve within the variety of posts about local weather change. This included the variety of posts by bots – they rose from tons of per day to greater than 25,000 per days.

However as a result of extra people had been additionally posting about local weather change throughout this era the proportion of bot posts was decreased. They made up simply 13% of all posts throughout that point.

Although the Brown College research was unable to determine who arrange the bots, Professor Ferrara, from USC, mentioned there may be trigger for concern.

“If somebody is manipulating the messages that we client on-line then there’s a purpose to be involved that they’re altering folks’s perceptions or beliefs,” he advised the BBC.

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