Extreme Atmospheric Rivers (EARs) are responsible for most heavy rainfall and catastrophic flooding along mid-latitude coastal regions. However, current eddy-insensitive climate models severely underestimate (~50 %) the EAR, which casts significant uncertainties on their future projections. Here, using an unprecedented set of high-resolution, eddy-resolution simulations from Community Earth System Model simulations, we show that the ability of the models to simulate the EAR is significantly improved (despite a slight overestimation of ~10 %), and EARs are projected to grow nearly linearly with warming temperature. Under the Representative Concentration Pathway 8.5 warming scenario, there will be a global doubling or more in occurrence, integrated water vapor transport and precipitation associated with EARs, and a more concentrated tripling for EARs reaching land by the end of the 21st century. We further demonstrate that the coupling relationship between EARs and storms will decrease in a warming climate, potentially affecting the predictability of future EARs. (Shuvu Wang, Xiaohui Ma, nature communications)

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Rising temperatures could turn plankton and other tiny aquatic organisms into a huge source of carbon emissions, a little-known — and potentially catastrophic — climate tipping point that could accelerate global warming. A study published Thursday in Functional Ecology found that rising temperatures cause a sudden shift in the eating habits of these microbes, turning them from carbon absorbers to carbon emitters. (Kate Yoder)

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Limiting global warming to 1.5 degrees Celsius will avert runaway climate change but not mass suffering in developing countries, a consortium of 50 researchers warned on Wednesday. Some 200 million people in poorer regions will be exposed to unlivable heat and half a billion will face the devastating ravages of rising seas even if the world meets the more optimistic Paris target of 1.5C, they said in a major study. To avoid exposing large parts of humanity to "significant harm, a fair threshold should be set at or below 1C," the scientists said. The average surface temperature of the Earth has already risen by 1.2 °C. (Marlowa HOOD)

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Rich nations are undermining work to protect poor and vulnerable countries from the impacts of the climate crisis by providing loans instead of grants, siphoning money from other aid projects or mislabeling cash, new research suggests. According to a report by the charity Oxfam, only $11.5 billion (£9.2 billion) of climate funding from rich countries was dedicated to helping poor countries adapt to extreme weather in 2020, despite a growing number of climate-related disasters. climate. (Fiona Harvey)

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The future of fossil fuels - a major source of planet-warming emissions - will be under scrutiny at UN climate talks on Monday (5 June), with the head of an Emirati oil company poised to take the driver's seat. As the world struggles to limit warming to 1.5 degrees Celsius above pre-industrial levels, pressure is on for the UAE to arrive in Germany with ambitious plans for its presidency of December's COP28 climate summit in Dubai.

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Virtual counseling is according to the findings of new research published in the Journal of Medical Internet Research new and emerging contributors to environmentally sustainable health care. The COVID-19 pandemic has accelerated the transition to virtual counseling, leading to its growing use. As healthcare systems around the world strive to achieve zero net carbon emissions, a critical question arises: what is the impact of virtual counseling on environmental sustainability in healthcare? A new research study led by Sara Shaw and team aims to address this question. (JMIR Publications)

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The National Biodiversity Data Center and the Department of Agriculture, Food and the Marine (DAFM) are calling on farmers to protect, manage and restore traditional grasslands. As one of Ireland's most important habitats, a meadow can support a large number of species both above and below ground. During the summer months the meadows, which usually grow to about knee height, can have more than 500 flowers/m ² in a mixture of wildflowers and grasses. A meadow has the potential to support thousands of different species such as bees; hovercraft; plagues; worms; locusts; bugs and butterflies. Plants found in meadows may include yellowtail; red clover; ragged-robin; meadow; bird's hornbill and cornflower. (Aisling O'Brien)

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As people become increasingly aware of the environmental impact of their travels, they are looking for ways to support and give back to the local community while they travel. According to Booking.com's Sustainable Travel Report 2023, 97.% of Indian travelers said they plan to travel more sustainably in the next 12 months. Opting for sustainable travel can be easier and more cost-effective than you think. It's all about reducing environmental damage, helping and involving local communities and preserving local culture. On World Environment Day, Booking.com shares five simple ways to help you become a more mindful and responsible traveller.Unsplash)

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An international team of researchers from institutions in Russia, Germany a France warns that "the risk of old viral particles remaining infectious" is underestimated. Worse, these scientists now believe that “the risk will inevitably increase with global warming , in which the thawing of permafrost will continue to accelerate," unleashing some of the diseases that have been trapped in the ice since prehistoric times. (Matthew Phelan)

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Through an innovative project called "Climate Education: Building a Youth Response to Climate Change," a cohort of 600 individuals from various Southwestern states are being equipped with the necessary knowledge and tools to make informed decisions about this pressing global issue. This pioneering initiative is spearheaded by exchange alumni. the US government. As a testament to the commitment of these individuals, the project received support from the Alumni Engagement Innovation Fund, an initiative funded by the US Department of State.

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"Financial inclusion" enables rural households to better respond to known climate risks, says ISB study. According to the World Bank, "financial inclusion" means that individuals and businesses have access to useful and affordable financial products and services that meet their needs. A recent study by the Indian School of Business (ISB) highlighted the key role of "financial inclusion" in mitigating climate risks for rural households. (VIKAS VASUDEVA)

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What are greenhouse gas emissions?

Advantages of calculating greenhouse gas emissions

This year's Bonn Climate Change Conference (SB58) begins next Monday, June 5, to prepare decisions for adoption at COP28 in the United Arab Emirates in December. Based on the many mandates that emerged from COP27 in Egypt last year, the conference will convene the 58th. ^session  UNFCCC subsidiary bodies, including a large number of events, and will continue discussions on issues of critical importance. These issues include, but are not limited to, the Global Inventory, the Global Adaptation Goal, the Just Transition to Sustainable Societies, the Work Program for Mitigation and Loss and Damage. (Kofi Adu Domfeh)

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A high-level African forum aimed at unpacking business opportunities arising from a voluntary carbon market is expected to be held in Victoria Falls - a designated international financial services hub - early next month. The Credit Markets Forum will take place under the theme "Accelerating Africa to a Climate Economy". It is organized by the local company Africa Voluntary Carbon Credits Market (AVCCM). Voluntary carbon credits are not regulated by governments or international agencies, but are purchased voluntarily by individuals or businesses seeking to offset their emissions. (Martin Kadzere)

Carbon offset programs allow individuals and businesses to offset their environmental footprint by paying to reduce greenhouse gas emissions elsewhere. While it may sound complicated, the programs on our list make it easy by offering user-friendly calculators and hassle-free online transactions. Additionally, these platforms connect users with important projects, such as reforestation efforts and renewable energy development in communities around the planet. With less reputable programs, there is a possibility that the compensation funds will not go to the actual offset project. To protect customers, the best carbon offset programs only work with projects that are certified by third-party organizations. Therefore, our list only includes programs that are transparent in supporting certified carbon offset projects. (Kiah Treece)

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During the second round of talks on a global plastics treaty in Paris this week, diplomats clashed over competing priorities - including the role of recycling and how to deal with toxic chemicals. However, some experts say that one issue in particular should anchor the ongoing talks: climate change. “It's not just a plastic crisis; it's a climate crisis,” said Kristen McDonald, senior director of the China program for the nonprofit Pacific Environment. “Everyone should walk away from the Global Plastics Treaty table this week and understand that.” (Joseph Winters)

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Plants take in CO2, _to they could grow. They extract it from the atmosphere and use it to build organic compounds using photosynthesis and water. Terrestrial ecosystems have absorbed an average of about 32 percent of CO emissions over the past six decades _{2 caused by human activity.} Whether and to what extent terrestrial vegetation can continue to function as a carbon sink in a changing climate is a key question in climate science and of fundamental policy importance. (Michael Keller)

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When asked, I describe the afternoon sky on that February day as eerie. A blizzard of wild glowing embers rained down like giant luminous confetti as the darkness of ash and smoke descended. Through that fortress of haze and horror we could see the massive walls of flame that lined the silhouette of the surrounding mountains, and the ominous dusty glow of the fires at Chum Creek and elsewhere looming ever closer. The scene seemed apocalyptic, but it was real nonetheless. Try as I might, I can't remember exactly the thoughts that ran through my mind on Black Saturday. But I remember being irrevocably detached from that inflated sense of hope for the future that most young people—as a general rule—relinquish only subliminally, if at all, later in life. (MAEVE MCGREGOR)

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At the heart of our changing climate is a paradox. While the air blanket near the earth's surface warms, most of the atmosphere above the earth cools dramatically. The same gases that heat the lower few kilometers of air cool the much larger spaces above that, which reach to the edge of space. This paradox was predicted long ago by climate modelers, but only recently has it been quantified in detail by satellite sensors. The new findings provide definitive confirmation of one important question, but also raise other questions. (FRED PEARCE)

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