Climate change

UNM Physics and Astronomy hosts symposium on new climate change report : UNM Newsroom

University of New Mexico climatologist David Gutzler lectures at a physics and astronomy symposium on Volume 2 of the Intergovernmental Panel on Climate Change (IPCC) recently published, assessing climate change impacts and adaptation strategies. The discussion takes place on Friday 4 March at 3.30 p.m. in room 1100 of the PAIS building. The discussion can […]

Climate change

Not too late to reduce the cost of climate change

The economic toll of climate change is set to worsen in cities and regions across Australia, but market experts say there is still time for stronger action. Increasingly frequent and severe events will hit crucial supply chains, markets, finance and trade, reducing the availability of goods in Australia and raising their price, an international report […]

Climate change

Climate change webinar participants urge cities to do more | Community

Acterra, a Palo Alto-based nonprofit, hosted a webinar on Jan. 14 to educate policymakers and Bay Area residents about actions they can take in response to climate change. The webinar, titled “Code Red for Humanity: What Municipalities Can Do,” focused on strategies cities can adopt to eliminate carbon emissions by 2030, a much higher target […]

Climate change

Climate change could cause more kidney stones

Climate change over the next few decades could lead to an increase in cases of kidney stones, which would incur huge costs for health systems, according to research by scientists in the United States. A study, published in Scientific Reports, found that even if measures were put in place to reduce greenhouse gas emissions, there […]

Climate change

Temperatures of the past 24,000 years find unprecedented global warming

The study reveals that greenhouse gas concentrations have been increasing since the last ice age. A University of Arizona study looked at Earth’s climate since the last Ice Age around 24,000 years ago, highlighting the main drivers of climate change and how far human activity has pushed the climate system out of bounds. The research […]

Climate change

Can we blame climate change for BC’s “atmospheric river”?

We cannot say for sure that climate change caused the heavy rains and severe flooding and landslides currently plaguing British Columbia, but global warming makes such disasters more likely, a Swiss speaker suggested Thursday. D. “Warmer air can carry more moisture, so there is generally this notion that the frequency of heavy precipitation events – […]

Climate variability

Climate variability and dynamics during the warm period of the Lower to Middle Pliocene provide clues for future climate change

Field photograph of the Shilou red clay sequence of the eastern Chinese loess plateau. Credit: Ao Hong A recent study by an international research group led by Professor Ao Hong of the Institute of the Earth’s Environment of the Chinese Academy of Sciences revealed the variability and dynamics of the Asian climate during the warm […]

Climate variability

Variability and dynamics of the Asian climate through

image: Field photograph of the Shilou red clay sequence of the eastern Chinese loess plateau seen Following Credit: AO Hong A recent study by an international research group led by Professor AO Hong of the Institute of the Earth’s Environment of the Chinese Academy of Sciences revealed the variability and dynamics of the Asian climate […]

Climate change

Another La Niña impacts temperatures and precipitation – but not climate change

Geneva, November 30, 2021 (WMO) – La Niña has grown for the second year in a row and is expected to last until early 2022, influencing temperatures and rainfall. Despite the refreshing influence of this natural climatic phenomenon, temperatures in many parts of the world are expected to be above average due to accumulated heat […]

Climate change

PM Hasina: Bangladesh can be a role model in the fight against climate change

Climate change-related natural disasters threaten the lives of people and future generations of Bangladesh, Prime Minister says Prime Minister Sheikh Hasina said that although Bangladesh is affected by the adverse effects of climate change, it can serve as a role model for the world in the fight against climate change. “Bangladesh is particularly affected by […]

Climate change

Report shows cooperative best suited to tackle climate change

Even as Indian Prime Minister Narendra Modi was reflecting with his American counterpart on how to fight climate change, research on the subject shows the effectiveness of the cooperative model in this area. A new thematic research publication “Cooperation for the transition to a green economy” is published on 23 September. The research provides innovative […]

Climate change

India and climate change: implications of setting a net zero target

The 1.5C report of the Intergovernmental Panel on Climate Change (IPCC) highlights the importance of achieving a net future with zero greenhouse gases. Many countries have announced their commitment to achieve a net zero future for their economies. India, while doing far more than its “fair share” of mitigation, has yet to announce a net […]

Climate change

Addressing our great anxiety about climate change

I remember widespread public anxiety and depression in the 1960s and 1970s over the prospect of mutually assured destruction and a nuclear winter in the event of a global nuclear war. And today, public anxiety (“eco-anxiety”) about climate change is increasing around the world. The American Psychiatric Association recognizes that climate change is a significant […]

Climate change

Much work ahead for Sidney to meet its climate change emissions targets, says CAO – Saanich News

Sidney’s chief executive said there is still a lot of work to be done for the community to meet its carbon emissions targets in the municipality’s climate action plan and proposed but not yet formalized numbers for the new plan. official community. “Given that community-wide (greenhouse gas) emissions decreased 9.4 (percent) from 2007 to 2018, […]

Climate change

Climate change: Need to review the US $ 100 billion climate finance commitment to developing countries

The unprecedented increase in climate-related disasters has led more than 13,000 scientists from 153 countries to sign a declaration of climate emergency, according to an article published in September 2021 in a leading biological science journal. The call for such severe action as the declaration of a climate emergency is justified by the Sixth Assessment […]

Climate change

Climate change: can cap and trade be the solution to Delhi’s pollution problem?

It cannot be denied that climate change has emerged as one of the most pressing issues of the day, with experts worrying about the future of the world as we move forward at this rate. In its publication of the Fifth Assessment Report in 2013, the Intergovernmental Panel on Climate Change of 1,300 independent scientists […]

Climate change

Google bans ads by opponents of the consensus on climate change • The Register

Google has decided not to run any advertising alongside content that “contradicts the well-established scientific consensus on the existence and causes of climate change”. The decision impacts YouTube, advertisers and publishers. It appears to be primarily a matter of commerce rather than conscience: the adtech strangler has touted the move as a change in its […]

Climate change

Nobel Prize in Physics rewards work on climate change

Three scientists were awarded the Nobel Prize in Physics on Tuesday for essential work in understanding how the Earth’s climate is changing, identifying the effect of human behavior on these changes and ultimately predicting the impact of global warming. The winners were Syukuro Manabe from Princeton University, Klaus Hasselmann from the Max Planck Institute for […]

Climate models

How scientists can predict the future: the importance of climate models

Part of a scientist’s duty in today’s disinformation environment is to persuade the public about how science works. Making precise and measured projections about the future is necessary to convince the public to believe in science. Is it possible to make accurate predictions about how the world will look 50 years from now? (Photo: Photo […]

Climate models

Increased snowfall will offset sea level rise due to melting Antarctic ice sheet

The Jakobshavn Glacier, Greenland. Credit: Thomas Overly A new study predicts that any rise in sea level on the world’s southernmost continent will be countered by increased snowfall, coupled with a warmer polar atmosphere. Using modern methods to calculate projected changes in sea level, the researchers found that the two ice caps in Greenland and […]

Climate models

How Climate Models Work | FiveThirtyEight

Earlier this month, the United Nations Intergovernmental Panel on Climate Change (IPCC) released Part I of its latest Global Climate Assessment Report. The report draws on advanced climate modeling to illustrate to policymakers where global warming is heading. In this episode of Model Talk on the FiveThirtyEight Politics podcast, Nate Silver and Galen Druke are […]

Climate models

Yes, a few climate models give unexpected predictions, but technology remains a powerful tool

Credit: Shutterstock The long-awaited new report from the Intergovernmental Panel on Climate Change (IPCC) is due later today. Prior to publication, a debate erupted over the computer models at the heart of global climate projections. Climate models are one of the many tools that scientists use to understand how the climate has changed in the […]

Climate models

Yes, a few climate models give unexpected predictions – but technology remains a powerful tool

The long-awaited new report from the Intergovernmental Panel on Climate Change (IPCC) is due later today. Prior to publication, a debate erupted over the computer models at the heart of global climate projections. Climate models are one of the many tools that scientists use to understand how the climate has changed in the past and […]

Climate models

Which areas will climate change make uninhabitable? Climate models alone cannot tell

Which areas will climate change make uninhabitable? Climate models alone cannot tell by Radley Horton and Alex de Sherbinin |June 17, 2021 This Somali family left their village after a drought killed most of their livestock. As climate change exacerbates droughts and food shortages in some areas, many people may be forced to leave their […]

Climate models

Antarctica is melting in a way our climate models never predicted, scientists say

The Antarctic ice sheet is not melting in the linear way our climate models predicted. Instead, a more detailed model shows that as the rate of ice loss at the South Pole accelerates rapidly, there is snowfall and brief respite from melting along the way. “The ice sheet doesn’t change at a constant rate – […]

Climate models

Latest climate models should not increase projections of future warming

A notable scenario in the climate system over the past two years has been the effort to make sense of the latest generation of climate models. In support of the upcoming report of the Intergovernmental Panel on Climate Change (IPCC), global climate models have submitted their simulations to the latest database, known as CMIP6. These […]

Climate models

What COVID forecasters can learn from climate models

A second national lockdown began in England on November 5.Credit: Hollie Adams / AFP / Getty Epidemiologists predicting the spread of COVID-19 should adopt climate modeling methods to make predictions more reliable, say computer scientists who have spent months auditing one of the pandemic’s most influential models. In a study that was uploaded to the […]

Climate models

The past is the key to predicting the future climate – Models should be tested by simulating past climates

Past carbon dioxide concentrations (left) versus possible future emission scenarios (right): the rate of current emissions is much faster – occurring over decades – unlike geological changes, which occur over millions of years. If emissions continue unabated, carbon dioxide levels could reach or exceed values ​​associated with warm climates of the past, such as the […]

Climate models

Polar ice, atmospheric water vapor, the main drivers of variation among climate models

Credit: CC0 Public Domain A Florida State University researcher is part of a team that found that various projections of global warming trends advanced by climate change scientists can be explained by the models’ different predictions of ice loss and vapor. atmospheric water. The work will help climatologists reconcile various models to improve their accuracy, […]

Climate models

Clouds could be the missing link in climate models

Scientists have been trying to figure out why the latest generation of climate models predict a much hotter future than previously thought. The main culprit could be clouds, according to a new article published on June 24 in Scientists progress (1). Every few years, a more advanced generation of climate models emerges. In the latest […]

Climate models

Increased warming in latest generation of climate models likely caused by clouds

Credit: CC0 Public Domain As scientists scramble to determine why some of the latest climate models suggest the future may be hotter than previously thought, a new study says the reason is likely related to challenges simulating training and cloud evolution. The new research, published in Scientists progress, provides an overview of 39 updated models […]

Climate models

New representations of clouds make models more sensitive to carbon dioxide

As scientists work to determine why some of the latest climate models suggest the future could be warmer than previously thought, a new study indicates the reason is likely to be linked to challenges simulating the formation and l evolution of clouds. The new research, published in Scientists progress, provides an overview of 39 updated […]

Climate models

How hot will it be this century? The latest climate models suggest it could be worse than we thought

Climatologists use mathematical models to project Earth’s future in a warming world, but a group of latest models included surprisingly high values ​​for a measure called “climate sensitivity.” Climate sensitivity refers to the relationship between changes in carbon dioxide in the atmosphere and warming. High values ​​are a bad surprise. If they’re right, that means […]

Climate models

The latest climate models have unrealistic projections of future warming

A new study by climatologists at the University of Michigan concludes that some of the latest generation climate models may be overly sensitive to increases in carbon dioxide and therefore project unrealistic future warming. In a letter scheduled for publication April 30 in the journal Natural climate changethe researchers say projections from one of the […]

Climate models

Some of the latest climate models provide unrealistic projections of future warming

A new study by climatologists at the University of Michigan concludes that some of the latest generation climate models may be overly sensitive to increases in carbon dioxide and therefore project unrealistic future warming. In a letter scheduled for publication April 30 in the journal Natural climate change, the researchers say that projections from one […]

Climate models

The latest generation of climate models is getting hotter – here’s why

Prior to each Intergovernmental Panel on Climate Change (IPCC) report, the Global Climate Modeling Centers produce a central database of standardized simulations. Over the past year, an interesting trend has emerged in the most recent round of this effort: the newer and better versions of these models are, on average, more sensitive to CO2, warming […]

Climate models

Early climate models were spot on when it came to global warming

Climate skeptics have long questioned the accuracy of computer models that predict global warming, but most early climate models turn out to be spot-on, according to a flashback from University of California climatologists at Berkeley, Massachusetts Institute of Technology and NASA. Of 17 climate models published between the early 1970s and late 2000s, 14 were […]

Climate models

Climate models have always been right, new study finds

A recent to study computer climate models dating back to the 1970s have shown them to be very accurate in relation to what actually happened over the following decades. This builds confidence in modern models that predict further changes in the future. In the 1970s, climatologists began to report the increasing amount of carbon dioxide […]

Climate models

Even 50 years ago, climate models were far more accurate than deniers claim

It’s a common refrain from those who question the findings of climate science: the computer models scientists use to project future global warming are inaccurate and shouldn’t be trusted to help policymakers decide whether to they must take potentially costly measures to limit greenhouse gas emissions. A new study effectively quells this argument by examining […]

Climate models

Climate models have understood global warming well

There’s a favorite argument among those who doubt mainstream climate science: climate models overestimate the rate at which the Earth is warming. This claim resurfaces time and time again and is often based on single instances of uncertainty or hand-picked data. Various studies have looked closely at individual climate models in recent years and have […]

Climate models

Individual climate models may not provide the complete picture

UNIVERSITY PARK, Pennsylvania — Equilibrium climate sensitivity — the sensitivity of Earth’s climate to changes in atmospheric carbon dioxide — may be underestimated in individual climate models, according to a team of climatologists. “Probabilistic estimates of climate system properties often rely on comparing the model simulation with observed temperature records and an estimate of internal […]

Climate models

The great failure of climate models

Computer models of the climate are at the heart of calls to ban the cheap, reliable energy that powers our thriving economy and promotes healthier, longer lives. For decades, these models have projected dramatic warming small fossil increases in atmospheric carbon dioxide concentrations, with catastrophic consequences. Yet real-world data doesn’t cooperate. They only show a […]

Climate models

Guest post: Why results from the next generation of climate models matter

Professor Stephen Belcher is Chief Scientist at UK Met Office; Doctor Olivier Boucher is at the head of Pierre Simon Laplace Institute (IPSL) Climate Modeling Center; and Professor Rowan Sutton is director of climate research at UK National Center for Atmospheric Sciences (NCAS), Reading University. The first results of a new generation of global climate […]

Climate variability

Climate-resilient water security plans: managing the health risks associated with climate variability and change – World

Abstract Long-term planning for an adequate and secure supply of drinking water must be placed in the context of growing external uncertainties resulting from changes in climate and the environment. The Water Safety Plan (PSE) process provides a systematic framework for managing these risks taking into account the implications of climate variability and change. This […]

Climate variability

Sensitivity of global terrestrial ecosystems to climate variability

1 Convention on Biological Diversity, Aichi Biodiversity Targets. http://www.cbd.int/sp/targets/default.shtml 2 Scheffer, M. et al. Early warning signals for critical transitions. Nature 461, 53-59 (2009) CASE ADS Item Google Scholar 3 Solano, R., Didan, K., Jacobson, A. & Huete, A. C5 MODIS Vegetation Index User Guide (MOD13 series). 1–42 http://vip.arizona.edu/documents/MODIS/MODIS_VI_UsersGuide_01_2012.pdf (2010) 4 Nemani, RR et al. […]