Sat.Aug 07, 2021 - Fri.Aug 13, 2021

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Sea level in the IPCC 6th assessment report (AR6)

Real Climate

My top 3 impressions up-front: The sea level projections for the year 2100 have been adjusted upwards again. The IPCC has introduced a new high-end risk scenario, stating that a global rise “approaching 2 m by 2100 and 5 m by 2150 under a very high greenhouse gas emissions scenario cannot be ruled out due to deep uncertainty in ice sheet processes.”.

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The Colorado River Basin’s Daunting New Math

Circle of Blue

The basin’s big reservoirs have fallen to uncharted territory. The forecast isn’t any better. Lake Mead sits at a record low. Federal officials are expected to declare a first-ever Tier 1 shortage, which will require water cuts that fall most heavily on Arizona. Photo © J. Carl Ganter/Circle of Blue. By Brett Walton, Circle of Blue – August 13, 2021.

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On South African Shores, Women Carry on a Harvest Once Denied

Yale E360

In apartheid South Africa, the Sokhulu practice of gathering mussels was outlawed. “Ulwandle Lushile: Meeting the Tides,” the second-place winner in the 2021 Yale Environment 360 Video Contest, shows how Sokhulu women persevered and are again harvesting mussels sustainably. Read more on E360 ?.

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What We Told the White House about Science Communication and Scientific Integrity

Union of Concerned Scientists

Center for Science and Democracy Director Andrew Rosenberg summarizes the testimony he and his colleagues provided to the White House Office of Science and Technology Policy.

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How to Drive Cost Savings, Efficiency Gains, and Sustainability Wins with MES

Speaker: Nikhil Joshi, Founder & President of Snic Solutions

Is your manufacturing operation reaching its efficiency potential? A Manufacturing Execution System (MES) could be the game-changer, helping you reduce waste, cut costs, and lower your carbon footprint. Join Nikhil Joshi, Founder & President of Snic Solutions, in this value-packed webinar as he breaks down how MES can drive operational excellence and sustainability.

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We are not reaching 1.5ºC earlier than previously thought

Real Climate

Guest commentary by Malte Meinshausen, Zebedee Nicholls, and Piers Forster. Of all the troubling headlines emerging from the release of the Intergovernmental Panel on Climate Change (IPCC) WG1 report, one warning will surely dominate headlines in the next days and weeks: Earth is likely to reach the crucial 1.5? warming limit in the early 2030s. In 2018, the IPCC Special Report on 1.5C warming stated in its summary for policy makers that the world was likely to cross the 1.5?

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Climate Change Is Intensifying the Water Cycle, New IPCC Report Finds

Circle of Blue

The climate crisis will jeopardize key sources of fresh water and make extreme weather events more severe. But experts say there’s still time to prevent the worst outcomes. A farmer in the Mekong Delta uses plastic, mud, and sticks to hold back the rising sea. According to the United Nations’ Intergovernmental Panel on Climate Change report published Monday, Southeast Asia coastal zones are among the world’s most climate vulnerable regions.

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Methane Madness: 5 Reasons Why Natural Gas Doesn’t Belong in a Clean Electricity Payment Program

Union of Concerned Scientists

The Senate just released a federal budget resolution that includes a measure that could subsidize the production of natural gas. Here are 5 reasons why we shouldn't do that.

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The IPCC Sixth Assessment Report

Real Climate

Climate scientists are inordinately excited by the release of a new IPCC report (truth be told, that’s a bit odd – It’s a bit like bringing your end-of-(seven)-year project home and waiting anxiously to see how well it will be received). So, in an uncharacteristically enthusiastic burst of effort, we have a whole suite of posts on the report for you to read.

Sea Level 363
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“We Can’t Have Land Back Without Water Back”

Circle of Blue

Julia Bernal came of age while living in a watershed turned upside down by dams and diversions. Now an activist, she campaigns for Indigenous rights — and the water to sustain them. Pictured at the Santa Elena Canyon in Texas, the flow of the Río Grande shrinks during the summer. Photo © iPhone Photography / Wikimedia Commons. By Laura Gersony, Circle of Blue — August 9, 2021.

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Hot off the Press: The New IPCC Report

Legal Planet

The IPCC issued the massive first volume of its new report on climate change on Monday. This volume focuses on climate science: how much will the world warm, and what will the impacts be? The bottom line is that the evidence is becoming ever firmer that (a) humans are causing an unprecedented rate of climate change, (b) we are starting to foreclose our ability to achieve less dangerous outcomes, and (c) failure to act will impose tremendous costs for generations.

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The Key to Sustainable Energy Optimization: A Data-Driven Approach for Manufacturing

Speaker: Kevin Kai Wong, President of Emergent Energy Solutions

In today's industrial landscape, the pursuit of sustainable energy optimization and decarbonization has become paramount. ♻️ Manufacturing corporations across the U.S. are facing the urgent need to align with decarbonization goals while enhancing efficiency and productivity. Unfortunately, the lack of comprehensive energy data poses a significant challenge for manufacturing managers striving to meet their targets. 📊 Join us for a practical webinar hosted by Kevin Kai Wong of Emergent Ene

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I Toured “the Best Damn Plant in the Fleet.” Two Years Later It Exploded.

Union of Concerned Scientists

Two years ago, I went on a tour of the Russell City Energy Center. Two months ago, the power plant exploded.

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AR6 of the best

Real Climate

Half a dozen takeaways from a first read of the new IPCC AR6 report. As climate scientists we tend to look at the IPCC reports a little differently than the general public might. Here are a few things that mark this report out from previous versions that relate to issues we’ve discussed here before: Extreme events are increasingly connected to climate (duh!

Sea Level 361
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Dry Wells in Northern California Bring Home the Costs and Stresses of Drought

Circle of Blue

In this hot, dry summer, household wells are failing and wait lists for replacements stretch up to a year. A dry field north of Maralee and Noal Child’s house in Glenn County, California, used to be an olive orchard. Now it is slated to be planted with almond trees, Maralee said. Photo courtesy of Maralee Childs. By Brett Walton, Circle of Blue – August 11, 2021.

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A Sleeper Provision in the Senate Infrastructure Bill

Legal Planet

We will need a much more robust transmission in coming years. Sources of renewable energy, such as Iowa wind farms, are often located far from the urban centers that need the power. Transmission also helps to deal with weather issues that may impact renewables: even if it’s too cloudy for solar in one state, the sun may be shining a state or two over.

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Implementing D.E.J.I. Strategies in Energy, Environment, and Transportation

Speaker: Antoine M. Thompson, Executive Director of the Greater Washington Region Clean Cities Coalition

Diversity, Equity, Justice, and Inclusion (DEJI) policies, programs, and initiatives are critically important as we move forward with public and private sector climate and sustainability goals and plans. Underserved and socially, economically, and racially disadvantaged communities bear the burden of pollution, higher energy costs, limited resources, and limited investments in the clean energy and transportation sectors.

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Safariland Promised to Stop Making Chemical Weapons—But Has It?

Union of Concerned Scientists

In early June 2021, following a year of extensive use of chemical weapons (such as tear gas) by law enforcement against racial justice protesters, the U.S. House of Representatives Oversight Subcommittees launched an investigation into the safety of these weapons, requesting internal documents and product information from manufacturers. Despite the well-documented human health impacts of […].

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A deep dive into the IPCC’s updated carbon budget numbers

Real Climate

Guest post by Joeri Rogelj (Twitter: @joerirogelj). Since temperature targets became international climate goals, we have been trying to understand and quantify the implications for our global emissions. Carbon budgets play an important role in this translation. Carbon budgets tell us how much CO 2 we can emit while keeping warming below specific limits.

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HotSpots H2O: Argentina’s Paraná River Drops to 77-Year Low, Resulting in Economic Loss and Wildfires

Circle of Blue

Paraná River © Rodrigo Soldon / Flickr Creative Commons. By Christian Thorsberg, Circle of Blue. The Paraná River stretches through the heart of central South America, arising in Brazil and extending over 3,000 miles through Paraguay and Argentina. The continent’s second-longest river behind the Amazon, the Paraná is a workhorse, supporting rainforest diversity, Indigenous ancestral homes, and Argentina’s economy: over 80 percent of the country’s farm exports, primarily wheat and soy, are transp

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Leaked UN Report Finds Emissions Must Peak in the Next Four Years

Yale E360

Global greenhouse gas emissions must peak in the next four years, coal and gas-fired power plants must close in the next decade and lifestyle and behavioral changes will be needed to avoid climate breakdown, according to the leaked draft of a report from the world’s leading authority on climate science. Read more on E360 ?.

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Shaping a Resilient Future: Climate Impact on Vulnerable Populations

Speaker: Laurie Schoeman Director, Climate & Sustainability, Capital

As households and communities across the nation face challenges such as hurricanes, wildfires, drought, extreme heat and cold, and thawing permafrost and flooding, we are increasingly searching for ways to mitigate and prevent climate impacts. During this event, national climate and housing expert Laurie Schoeman will discuss topics including: The two paths for climate action: decarbonization and adaptation.

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Disempowered by Tyson—How Big Chicken Hurts Farmers, Workers, and Communities (and Why You Should Care)

Union of Concerned Scientists

Tyson has aggressively consolidated its power in the chicken industry—and workers and farmers are hurting.

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Deciphering the ‘SPM AR6 WG1’ code

Real Climate

I followed with great interest the launch of the sixth assessment report Working Group 1 (The Physical Science Basis) from the Intergovernmental Panel on Climate Change (IPCC) on August 9th. The main report is quite impressive (see earlier posts here , here , here , and here ) but the press conference didn’t come across as being focused and well-prepared.

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Climate Change Is Widespread, Rapid, and Intensifying — And Terrifying

Law and Environment

The IPCC has released its Sixth Assessment Report on the physical science basis of climate change. I would say that it makes sobering reading, except any sane person’s immediate response to AR6 would be to go out and have any number of stiff drinks. Here are a number of the lowlights: It is unequivocal that human influence has warmed the atmosphere, ocean and land.

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In the New UN Climate Report, a Better Understanding of Solar Geoengineering

Yale E360

The latest report from the UN Intergovernmental Panel on Climate Change offers not only a clearer view of the causes and consequences of global warming, but also a better understanding of some extreme and untested solutions to the climate crisis, including solar geoengineering — the process of modifying clouds or spraying tiny reflective particles into the upper atmosphere to block a portion of the sun's light, thereby cooling the planet, Reuters reported.

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Sustainability at Retail

Sustainability impacts every nation, company, and person around the world. So much so that, in 2015, the United Nations (UN) issued a call for action by all countries to work toward sustainable development. In response to this and as part of a global Sustainability at Retail initiative, Shop! worked collaboratively with its global affiliates to address these critical issues in this white paper.

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More Heat This Weekend–More Inequities of Keeping Cool

Union of Concerned Scientists

As more high temperatures are forecast in the next few days, two of our climate scientists explain how people of color in four cities--Fresno, CA, Miami, FL, Mobile, AL, and Shreveport, LA--are at risk from the effects of urban heat islands.

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#NotAllModels

Real Climate

The biggest contribution scientists can make to #scicomm related to the newly released IPCC Sixth Assessment report , is to stop talking about the multi-model mean. We’ve discussed the issues in the CMIP6 multi-model ensemble many times over the last couple of years – for instance here and here. There are two slightly contradictory features of this ensemble that feature in the new IPCC report – first is the increase in skill seen in CMIP6 compared to CMIP5 models.

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The Stream, August 13, 2021: Argentina’s Agricultural Sector Suffering Amid Parana River Drought

Circle of Blue

YOUR GLOBAL RUNDOWN. Drought in southern Brazil is hindering grain transports in Argentina. In California , residents in Santa Clara County are cutting their water use after an emergency order in June and a LA sewage treatment plant is diverting millions of gallons of clean drinking water after a massive spill into the Santa Monica Bay last month. Heavy rain is causing flooding in Turkey.

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New DNA Blood Test Could Pinpoint Cancer's Source in the Body

Scientific American

The assay could also help evaluate organ transplants and fetal genetic disorders. -- Read more on ScientificAmerican.com.

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We Have an Infrastructure Bill. We Still Need Bold Climate Action Urgently

Union of Concerned Scientists

The Senate has passed the infrastructure bill. Will it go far enough to help us prepare for–and fight–climate change?

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A Tale of Two Hockey Sticks

Real Climate

Two decades ago, the so-called “Hockey Stick” curve , published in 1999 by me and my co-authors (Mann, Bradley and Hughes, 1999) , was featured in the all-important “Summary for Policy Makers” (SPM) of the 2001 IPCC Third Assessment report. The curve, which depicted temperature variations over the past 1000 years estimated from “proxy data such as tree rings, corals, ice cores, and lake sediments”, showed the upward spiking of modern temperatures (the “blade”) as it dramatically ascends, during

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The Stream, August 11, 2021: Piazza San Marco Underwater In Rare Summer Flood

Circle of Blue

YOUR GLOBAL RUNDOWN. Rare summer floods submerge the famed Piazza San Marco in Venice in up to a meter of water. Water from 20 cities in Pakistan is unsafe to drink. The Milwaukee Metropolitan Sewerage District discharges untreated stormwater into Lake Michigan amid heavy rains. India will require refineries and fertilizer plants to begin using green hydrogen.

2021 182
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Sicily hits 48.8°C, the highest temperature ever recorded in Europe

New Scientist

The highest temperature ever recorded in Europe was reported on 11 August. The town of Syracuse on the Italian island of Sicily reached 48.8°C, 0.

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Four Lessons from a Scientist Working to Inform Climate Litigation

Union of Concerned Scientists

The head of the UCS Science Hub for Climate Litigation weighs in on what she's learned so far working at the nexus of the legal system and climate science.

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NASA Probe Finds Higher Chance of Asteroid Bennu Striking Earth

Scientific American

Using data from the OSIRIS-REx mission, scientists calculated slightly increased (but still low) odds the space rock will collide with our planet in the 2100s. -- Read more on ScientificAmerican.com.

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