Real Climate

NOVEMBER 23, 2024

It’s 20 years since we started blogging on climate here on RealClimate (December 10, 2004). We wanted to counter disinformation about climate change that was spreading through various campaigns. The Keeling curve, highlighted with the release of important climate reports and climate summits.

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2004 Climate Change Atmosphere Carbon Dioxide 275

Real Climate

SEPTEMBER 19, 2022

The CERES estimates of the top-of-atmosphere radiative fluxes are available from 2001 to the present. We can explore the issues and pitfalls of this using the ‘simple model’ of the greenhouse effect we explored back in 2007. The simplest model for the greenhouse effect. A simple model with feedbacks.

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Radiation Atmosphere Greenhouse 2001 360

Real Climate

NOVEMBER 11, 2023

A friend asked me if a discussion paper published on Statistics Norway’s website, ‘ To what extent are temperature levels changing due to greenhouse gas emissions? ’, was purposely timed for the next climate summit ( COP28 ). I don’t know the answer to his question. But this discussion paper is problematic for sure.

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Sea Level Greenhouse Climate Change Atmosphere 353

Circle of Blue

AUGUST 16, 2021

This week, Circle of Blue looks at a major new climate report, which finds that a warming planet is accelerating the water cycle. The Intergovernmental Panel on Climate Change, a group of the world’s leading climate scientists, has released its sixth assessment report. The report, while grim, does offer hope.

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Legal Planet

OCTOBER 16, 2021

The world is gathering soon in Glasgow to debate how to eliminate greenhouse gas emissions over the coming decades. Does the climate keep warming, stay the same, or even cool? What are the political implications of the fact that climate change will continue after emissions cease, or even potentially grow worse?

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Climate Change Politics Carbon Dioxide Sea Level 130

Circle of Blue

MARCH 1, 2022

In summarizing its report on the consequences of climate change, the scientific body described a society running out of time to prevent unbearable damage to the planet’s lands and waters — and to the people and creatures that depend on them. Climate change is a threat to human well-being and the health of the planet.

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Climate Change Carbon Emissions Fossil Fuels 2010 362

Real Climate

NOVEMBER 29, 2023

It is 33 years now since the IPCC in its first report in 1990 concluded that it is “certain” that greenhouse gas emissions from human activities “will enhance the greenhouse effect, resulting on average in an additional warming of the Earth’s surface.” It’s not hard to understand.

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Real Climate

MAY 21, 2023

A new paper by Ben Santer and colleagues has appeared in PNAS where they extend their previous work on the detection and attribution of anthropogenic climate change to include the upper stratosphere, using observations from the Stratospheric Sounding Units (SSUs) (and their successors, the AMSU instruments) that have flown since 1979.

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Legal Planet

JANUARY 2, 2023

The “for one year” part is crucial: stratospheric aerosols stay in the atmosphere roughly a year, so one gram offsets the heating effect of one ton only for the first year after the ton is emitted. Those following debates on active climate interventions have been expecting – and worrying about – something like this for a few years.

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Circle of Blue

SEPTEMBER 15, 2021

Advocates are focusing on the Glasgow meeting to highlight water’s indispensable climate role. Demonstrators took to the streets at the 2009 global climate convention in Copenhagen. Adaptation, reducing greenhouse gas emissions, and accounting for climate damages will be prominent topics at the UN climate convention in November.

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Paris Agreement Climate Change Biofuels Fossil Fuels 363

Union of Concerned Scientists

SEPTEMBER 25, 2023

One of the most pivotal agreements in this context is the United Nations Framework Convention on Climate Change (UNFCCC), which kicked into force in 1994. This establishes a foundation for the right to a stable climate, as nations collectively commit to address climate change and its impacts.

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Circle of Blue

NOVEMBER 8, 2021

While climate adaptation planning is more widespread than ever, the U.N. T here is a huge gulf between what communities are spending to prepare for climate change and what they ought to spend, a new U.N. This gap is widening, as the costs of climate adaptation increase due to rising global temperatures. report found.

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Law Columbia

JUNE 4, 2024

Can the new advisory opinion interpreting the United Nations Convention on the Law of the Sea (UNCLOS) move us beyond the lethargy of unmet climate change policy needs ? By accepting the COSIS request, ITLOS boldly advanced the international law of climate change to take full account of its harmful impacts on the marine environment.

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Climate Change Ocean Paris Agreement Carbon Dioxide 135

Greenbuilding Law

JUNE 5, 2022

With proposed federal regulation of greenhouse gas emissions by the Securities and Exchange Commission requiring GHG disclosure and new state statutes, including a new Maryland law that requires not only disclosure, but also a mandated reduction in GHG emissions, a greater appreciation of the subject of GHG appears in order. See, Weather.

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Greenhouse Carbon Dioxide Atmosphere Fossil Fuels 98

Physics World

AUGUST 1, 2021

Sprinkling powered basalt over natural ecosystems would remove vast amounts of carbon dioxide from the Earth’s atmosphere while also improving soils. Worldwide, nations are pledging to reach net zero emissions of greenhouse gases by 2050, if not earlier. Could the breakdown of rocks mitigate climate change?

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Carbon Dioxide Atmosphere Ocean Renewable Energy 143

New Scientist

NOVEMBER 2, 2021

As the COP26 summit in Glasgow meets to discuss global action on climate change, atmospheric scientist Betsy Weatherhead explains what the science says about greenhouse gases and global warming

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Law Columbia

MAY 10, 2024

The recent rulings on climate change by the European Court of Human Rights (ECtHR) are—as others have pointed out in this blog symposium —both “historic and unprecedented” for various reasons, not least regarding the question of reparation for climate change-related harm. Portugal and 32 Other States and Carême v.

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Physics World

OCTOBER 26, 2021

The labs – including CERN, the European Space Agency, Fermilab and the Los Alamos National Laboratory – have announced that they will step up their scientific collaboration on carbon-neutral energy and climate change as well as share best practices to improve the carbon footprint of big-science facilities. Eager to learn.

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Climate Change Carbon Dioxide Radiation Renewable Energy 120

Law Columbia

MAY 22, 2024

On May 21, 2024, the International Tribunal for the Law of the Sea (ITLOS) delivered a long-awaited Advisory Opinion on climate change and international law. This marks the first time that an international tribunal has issued an advisory opinion on State obligations regarding climate change mitigation.

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Union of Concerned Scientists

APRIL 5, 2023

California is no stranger to the impacts of climate change. From droughts to wildfires to rising sea levels and torrential rains, the state has felt the effects of a changing climate in a variety of ways. Vapor pressure deficit is closely related to temperature and climate change is causing temperatures to rise.

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Climate Change 2018 Atmosphere Sea Level 228

A Greener Life

NOVEMBER 16, 2023

By Anders Lorenzen On the eve of the COP28 UN climate summit, The World Meteorological Organization (WMO), a United Nations (UN) body, has warned that the atmospheric concentration of greenhouse gases (GHG) is forecast to continue the trend that resulted in record-high CO2 measurements last year. Photo credit: iStock.

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Legal Planet

AUGUST 10, 2021

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? with high confidence that human-induced climate change is the main driver of these changes.”. C of warming.

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Paris Agreement Climate Change Fossil Fuels Atmosphere 246

Yale E360

NOVEMBER 25, 2020

As nations went into lockdown to contain the spread of Covid-19, factories halted and cars sat idle, clearing the skies above polluted cities and sending climate-changing emissions to historic lows. But the concentration of greenhouse gases in the atmosphere ? the accumulation of past and current emissions ?

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Scientific American

AUGUST 20, 2024

government are investing billions of dollars in carbon capture technology to suck greenhouse gases out of the atmosphere. Tech firms, oil companies and the U.S. Can it save the warming world?

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Climate Change Atmosphere Greenhouse Technology 108

Breezometer

APRIL 6, 2022

Allergy sufferers may have to brace themselves - researchers predict the US could see as much as a 200% increase in pollen this century if greenhouse gas emissions continue at the current rate, which may also cause pollen season to start between 10 to 40 days earlier. Increasing Levels Of Carbon Dioxide In The Atmosphere.

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Climate Change Carbon Dioxide Atmosphere Technology 126

Legal Planet

SEPTEMBER 30, 2021

Today, climate change is the central, though by no means the only, concern in environmental law. Westlaw searches for “global warming” and “greenhouse effect” pick up only a handful of citations before 1985. I found only one relevant reference using the term “climate change” before 1985.

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Carbon Dioxide Climate Change Nuclear Power Clean Air Act 175

HumanNature

DECEMBER 11, 2023

In the background , the question always looms, “Are these extreme weather events caused by climate change ? ”. Julia Aylen wades through waist deep water carrying her pet dog as she is rescued from her flooded home during Hurricane Dorian in Freeport, Bahamas, Tuesday, Sept. As society evolves, extreme weather also changes.

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Climate Change 2023 Atmosphere Sea Level 110

Legal Planet

SEPTEMBER 22, 2023

The state contended that their actions are not responsible for global climate change. It reminded me of the unsurprising, but still disappointing finger pointing between high carbon emitting-countries while negotiating climate responsibilities and greenhouse gas emission caps at COP27. Download as PDF

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Real Climate

AUGUST 12, 2021

Taking into account not only permafrost thaw, but also a host of other biogeochemical and atmospheric feedbacks, the AR6 estimates to appropriately include the effect of all these feedbacks, remaining carbon budgets have to be reduced by 26 ± 97 GtCO 2 per degree Celsius of additional warming. Nature Climate Change. References.

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Legal Planet

MAY 19, 2022

Governor Newsom’s May Revise budget proposal includes this item: Methane Satellites—$100 million Greenhouse Gas Reduction Fund on a one-time basis to expand the number of satellites launched for methane observations, which would provide weekly measurement of large methane emissions in the state and enhance enforcement capabilities.

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Real Climate

JUNE 25, 2022

and a supportive Nature Climate Change editorial were published this week, extolling the prospects for what they call “k-scale” climate modeling. In the atmosphere, the mesoscale organization of convection would clearly be another target. Think big and model small", Nature Climate Change , vol.

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Ocean 2020 Climate Change Atmosphere 359

Law Columbia

JULY 2, 2024

A highly potent greenhouse gas, methane makes a significant contribution to climate change, but has historically received relatively little attention in climate mitigation discussions. That is now beginning to change. laws governing methane removal via atmospheric oxidation enhancement (AOE).

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Atmosphere Carbon Dioxide Law Government 75

Union of Concerned Scientists

MAY 27, 2022

Still, both the National Oceanic and Atmospheric Administration (NOAA) forecast , released on May 24, and the Colorado State University (CSU) forecast , released on April 7, predict a season with above-normal activity— for the seventh consecutive year. This year broke the streak, and that is a good thing.

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Inside Climate News

MAY 23, 2022

By Phil McKenna Climate policies that rely on decarbonization alone are not enough to hold atmospheric warming below 2 degrees Celsius and, rather than curbing climate change, would fuel additional warming in the near term, a study published Monday in the Proceedings of the National Academy of Sciences concludes.

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Legal Planet

JUNE 4, 2021

In recent years, The Netherlands has become the leading site of climate change litigation. its district, appellate , and supreme courts decided in favor of Urgenda, an upstart environmental organization, ordering the government to more aggressively reduce greenhouse gas emissions. Everyone produces greenhouse gases.

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Carbon Dioxide Fossil Fuels Climate Change 2010 211

Legal Planet

AUGUST 2, 2021

Decades ago, their own scientists told car companies and oil companies about climate change, information the companies chose to ignore. He talked her into studying climate change. She went on to become the head of the climate change program at Argonne National Lab and a professor at UC Davis.

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Fossil Fuels Climate Change Carbon Dioxide Atmosphere 187

Real Climate

MARCH 4, 2021

Since it was a control simulation with no external “forcing” (no greenhouse gas changes, no variations in solar output, no volcanic eruptions, etc.), any oscillation that was produced has to be internally generated. It turns out that they are the exception (indeed the rare exception), rather than the rule.

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