Union of Concerned Scientists

MARCH 17, 2025

Initially it used four different emission storylines from the Special Report on Emissions Scenarios (SRES) as a scientific basis, however, recognizing the need for a more flexible and policy-relevant framework, scientists developed the Representative Concentration Pathways (RCPs) for the IPCC reports.

Radiation 246

Radiation Sea Level Climate Change Fossil Fuels 246

Real Climate

NOVEMBER 23, 2024

It shows the atmospheric concentrations of carbon dioxide (CO 2 ) and tells a story about the carbon cycle, involving Earth’s crust, the atmosphere, land surface, the biosphere, and the oceans. The Keeling curve, highlighted with the release of important climate reports and climate summits.

2004 245

2004 Climate Change Atmosphere Carbon Dioxide 245

Circle of Blue

NOVEMBER 22, 2021

The rains were the result of a weather phenomenon known as an “atmospheric river,” a narrow column that transports water vapor from the tropics to the poles. Atmospheric rivers are projected to intensify as the climate continues to warm. Atmospheric rivers are not uncommon in the region.

Atmosphere 246

Atmosphere Climate Scientist Environmental Science Climate Change 246

Circle of Blue

AUGUST 11, 2021

This trend will continue as glacial melting, decreased rainfall, and a “thirstier” atmosphere jeopardize sources of freshwater in some parts of the globe. The Intergovernmental Panel on Climate Change, a group of the world’s leading climate scientists, released its sixth climate assessment on Monday.

Climate Change 361

Climate Change Atmosphere Deforestation Rainforest 361

Physics World

NOVEMBER 5, 2021

Tiny particles of plastic in the atmosphere can affect Earth’s climate, according to Laura Revell at the University of Canterbury in New Zealand and colleagues. Although the threats these microplastics pose to natural ecosystems are now being studied extensively, their influence on Earth’s climate is still virtually unknown.

Atmosphere 111

Atmosphere Radiation Cooling Climate Scientist 111

Union of Concerned Scientists

SEPTEMBER 12, 2024

Last year, I met Dave Schneider, a climate scientist who studies ice sheets and climate systems, work very similar to my own. that’s specifically about climate change and fossil fuel accountability. I checked out the science books, and there were some interesting titles but literally nothing about climate change.

Climate Change 317

Climate Change Fossil Fuels Climate Scientist Atmosphere 317

Inside Climate News

JULY 28, 2024

“Optimism and hope are muscles we have to exercise,” climate scientist Rob Jackson says. His new book offers a paradigm for how to think about climate change and the health of the planet.

Atmosphere 133

Atmosphere Climate Scientist Climate Change Greenhouse 133

Circle of Blue

DECEMBER 6, 2021

International organizations had blamed the calamity on climate change, but a new study rejects that assumption. Friederike Otto, one of the study’s co-authors, said that the ongoing famine highlights the risks faced by vulnerable nations, even without climate breakdown. “We are not even adapted to the present day.

Climate Change 278

Climate Change Climate Scientist Atmosphere Greenhouse 278

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.

2021 264

2021 Atmosphere Climate Change Sea Level 264

Real Climate

OCTOBER 12, 2021

In this, he is in violent agreement with Isaac Held, his colleague at GFDL, and indeed most climate scientists. The key aspects were the inclusion of water vapour feedback as temperatures increased, and the use of ‘convective adjustment’ to maintain stability of the lower atmospheric column. 1975) , and Bryan et al.

Atmosphere 316

Atmosphere Ocean Greenhouse Climate Change 316

Real Climate

AUGUST 12, 2021

Another clue indicating a shortcoming is if you look at the atmospheric CO 2 -concentrations over time to see how much impact the IPCC reports have had on the real policy-makers in the world (Figure below). The cause of our changing climate is the increase in atmospheric greenhouse gas concentrations that we have released into the air.

Atmosphere 356

Atmosphere Greenhouse Ocean Sea Level 356

Inside Climate News

JUNE 23, 2021

Warming of the surface of the Arctic is matched by a colder polar vortex high in the atmosphere, which is speeding the breakdown of the Earth’s shield against ultraviolet rays.

Ozone 145

Ozone Atmosphere Radiation Climate Scientist 145

Environmental News Bits

JUNE 4, 2021

New research by Lawrence Livermore National Laboratory (LLNL) climate scientists and collaborators shows that satellite measurements of the temperature of the troposphere (the lowest region of the atmosphere) may have underestimated global warming over the last 40 years. Read more →

Atmosphere 77

Atmosphere Climate Scientist Climate Change 77

Circle of Blue

SEPTEMBER 13, 2022

“Pakistan, which is already facing political and economic turmoil, has been thrown into the front line of the human-induced climate crisis,” a U.N. Climate scientists forecast with medium confidence that continued atmospheric warming will cause more erratic and powerful monsoons in South Asia.

Politics 264

Politics Climate Scientist Atmosphere 2018 264

Union of Concerned Scientists

OCTOBER 3, 2024

Photo provided by the author The aftermath of Helene is proving the worst of what we imagine in the face of climate change. I asked my colleague, Dr. Marc Alessi , an atmospheric scientist, about the hurricane. Here’s what Marc had to say: “Helene was an example of what hurricanes will look more like in the future.

Climate Change 347

Climate Change Fossil Fuels Ocean Climate Scientist 347

Real Climate

JULY 25, 2021

The good news is that there are some initiatives on climate change adaptation which involve climate scientists such as the Infrastructure and Climate Network ( ICNet Global ). Such professional debates should include climate scientists, the adaptation community, and prac titioners.

Climate Change 305

Climate Change Atmosphere Climate Scientist Sea Level 305

Inside Climate News

JULY 2, 2021

Like other climate scientists, he knew from research papers and worldwide storm patterns that a warming atmosphere is thirstier and sops up more moisture from oceans and the land. By Judy Fahys A question has bothered climatologist Park Williams during the decade he’s been probing drought in the Southwest.

Climate Scientist 127

Climate Scientist Atmosphere Ocean Climate Change 127

Inside Climate News

NOVEMBER 2, 2023

James Hansen, the scientist who first sounded the climate alarm in Congress, sees a decrease in aerosol pollution driving a surge of warming and criticizes the U.N. climate science panel, drawing a backlash from other researchers.

Climate Scientist 145

Climate Scientist Climate Change Ocean Atmosphere 145

Physics World

OCTOBER 6, 2021

Researchers in Finland have observed a plant-induced cooling effect in the atmosphere, which strengthens as temperatures increase. Their results could provide important guidance for climate models that include the influence of aerosols in the atmosphere. Organic aerosols are tiny particles that include dust, ash, and pollen.

Cooling 122

Cooling Atmosphere Climate Scientist 122

Real Climate

NOVEMBER 11, 2023

are used all over the world, based on calculations that quantify the effects of physical mechanisms and the way different parts of the atmosphere are connected to each other. The physics-based models describe how energy flows through the atmosphere and ocean, as well as how the forces from different air masses push against each other.

Sea Level 326

Sea Level Greenhouse Climate Change Atmosphere 326

Inside Climate News

JANUARY 21, 2023

An “atmospheric river” has pummeled California with weeks of heavy rain, and the Rocky Mountains are getting buried with snow. Climate scientists, though, say the 40 million people who use the river’s water should take the good news with a grain of salt.

Climate Scientist 115

Climate Scientist Atmosphere Climate Change 115

Union of Concerned Scientists

JULY 30, 2024

Scientists at the National Oceanic and Atmospheric Administration (NOAA) are responsible for weather forecasts and severe storm warnings, information we likely take for granted. Climate scientist Katharine Hayhoe asserts that talking about climate change is the most important thing we can do.

Climate Change 279

Climate Change Climate Scientist Cooling 2021 279

Legal Planet

SEPTEMBER 22, 2023

We live in a world that markets individual action as the singular solution to climate change, instead of corporate and governmental accountability, where multinational companies and the governments that endorse them are largely responsible for the excessive carbon in our atmosphere. Seeing them come to life in court was powerful.

Climate Change 189

Climate Change Atmosphere Greenhouse Carbon Dioxide 189

Inside Climate News

AUGUST 8, 2024

By Amy Green, Lisa Sorg Tropical Storm Debby, a plodding, waterlogged system that has already saturated four southeastern states, bears many characteristics of a warming planet, climate scientists say. It’s reminiscent of other catastrophic tropical cyclones that have battered the United States over the past eight years.

Climate Change 141

Climate Change Climate Scientist Atmosphere Ocean 141

Union of Concerned Scientists

JUNE 22, 2023

To date in 2023, the United States has already suffered nine climate and weather disasters resulting in at least a billion dollars of damage, according to the National Oceanic and Atmospheric Administration. That fits with the last five years , which have seen an annual average of 18 billion-dollar weather and climate disasters.

2023 290

2023 Fossil Fuels Climate Change 2012 290

Union of Concerned Scientists

SEPTEMBER 28, 2023

The Inflation Reduction Act is directing $20B toward climate-resilient agriculture Reducing heat-trapping carbon dioxide (CO 2 ) emissions through policies that drive renewable energy and clean transportation has well known benefits. This, in turn, can help lessen the price shocks that can result when crop and livestock losses occur.

Conservation 328

Conservation Climate Change 2023 Renewable Energy 328

Inside Climate News

FEBRUARY 12, 2024

The state’s legendary and beloved “climate scientist-communicator” finds his public outreach isn’t valued by the institutions in America that fund science.

Climate Scientist 143

Climate Scientist Atmosphere Climate Change 143

Union of Concerned Scientists

MAY 13, 2024

The 2024 State of the Air report I work every day on topics related to air in my role as a Senior Climate Scientist at UCS, through my volunteer grassroots work, and because I want to be a well-informed resident in the San Joaquin Valley. Ozone plays a dual role in our atmosphere. This is more than just my job. This is personal.

2024 325

2024 Fossil Fuels Ozone Air Pollution 325

Physics World

OCTOBER 30, 2021

The correlation had been shown in a paper by an author outside the conventional scientific community, so, for good measure, Simpson added that a non-expert could not properly appreciate how atmospheric circulation affects the absorption of radiation. One was Eunice Foote , a 19th-century American scientist. 139 1961 ).

Carbon Dioxide 116

Carbon Dioxide Fossil Fuels Atmosphere 2007 116

Union of Concerned Scientists

JANUARY 20, 2023

Corporate leadership was informed about advances in climate science and incorporated those advances when its scientists built their own models. Regardless, the company publicly cast doubt on the reality of global warming, attempted to discredit climate scientists and climate models, and tried to block climate action.

Fossil Fuels 279

Fossil Fuels 2003 Sea Level 2005 279

Legal Planet

APRIL 7, 2024

I hope we can collectively reckon with another terrifyingly awesome atmospheric event: the hottest year. Communities from Texas to Ohio that are benefiting from this scientifically informed tourism boom are the same places where some people like to question and mock climate scientists. as one writer put it on X.

Climate Change 211

Climate Change Paris Agreement Fossil Fuels 2024 211

Environmental News Bits

DECEMBER 21, 2021

Someone’s bound to hack the atmosphere to cool the planet. So we urgently need more research on the consequences, says climate scientist Kate Ricke. Read the full story in Wired. Read more →

Climate Change 72

Climate Change Climate Scientist Cooling Atmosphere 72

Breezometer

JULY 12, 2021

How Climate Change Will Impact Future Heat Waves. Experts predict a historic increase in global wildfire events and record-breaking heat waves due to climate change. Climate scientists around the globe are banding together in a desperate attempt to raise the alarm. climate change is making these sorts of things worse”.

Climate Change 135

Climate Change Climate Scientist 2020 2021 135

PA Environment Daily

APRIL 17, 2024

The Discovery Partners Institute studies land surface-atmosphere interactions that impact urban fluid dynamics and boundary layer flow at multiple spatial scales, from regional to local. The institute also conducts collaborative and translational research that benefits society at the intersection of science, engineering and social sciences.

Atmosphere 78

Atmosphere Climate Scientist 2024 Ocean 78

Real Climate

AUGUST 9, 2021

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!) Johnson, A. Lebedeff, P.

Sea Level 361

Sea Level 2012 Radiation Ocean 361

Physics World

APRIL 26, 2022

The discovery by Ladislav Skrbek at Charles University and colleagues could help climate scientists to better understand the flow of heat through Earth’s atmosphere, and may also lead to better designs of heat exchangers.

Atmosphere 91

Atmosphere Cooling 2020 Climate Scientist 91

Breezometer

SEPTEMBER 14, 2021

Chris’s well-researched articles and expert interviews help shed light on dynamic climate changes, bring public attention to the resulting impact, and highlight environmental trends that can completely alter the world we know. Dr. Shepherd’s work in the climate and weather space is widely recognized. Dr. Marshall Shepherd. Eric Blake.

2021 126

2021 Atmosphere Climate Change 2003 126