On the grounds of the University of California, San Diego Health System, cacti and succulents thrive where grass once lived, flooding the area. Patches of bare ground await replanting or a blanket of mulch. Recycled “gray” water flows through pale purple pipes. But the real action is in hospitals, where another set of pipes carries nitrous oxide. It's a common anesthetic, also known as laughing gas, and it spews out greenhouse gases that linger in the atmosphere for about 114 years. The pipes leak, a lot. Up to 80 percent of the gas can leak. (JOANNE KENEN)

The decisions by two major insurers to stop offering new homeowners policies in California highlight the growing portion of America that is becoming nearly uninsurable.

Why is this important: The threat of climate-related disasters is a big factor driving up consumer costs and putting insurers out of business in parts of California, Florida, Louisiana and elsewhere. (Andrew Freedman)

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Many people ask me why someone who has spent their entire working life in the corporate and commercial world would decide to start a non-profit climate change accelerator? When I thought about the climate crisis, three things became clear to me: the future of our environment is at stake. We need to act quickly. And we need a much more accommodating legislative framework. (CHRIS WILSON)

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Environmental DNA — sometimes called "wildlife forensics" — can be collected from the atmosphere using existing air pollution monitors, according to a new study. Plants, animals, and other organisms secrete DNA into soil, water, and air that can be collected and analyzed. Over the past 20 years, researchers have come up with ways to use this data to monitor a wide range of biodiversity around the world. (ORLA DWYEROVA)

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Research published in the journal Nature Communications quantified the ability of protected forests to stabilize the Earth's climate. Research findings confirm the importance of protecting forests with high biomass. The study found that protected forests store nearly 10 billion metric tons more carbon than similar unprotected forests. Protecting forests is key to mitigating climate change, and industries are now realizing the importance of protecting nature in achieving net zero goals. The research team used aboveground carbon estimates from NASA's Global Ecosystem Dynamics Investigation, the first satellite system specifically designed to map forest structure, to quantify the carbon efficiency of protected areas. The most carbon-efficient forests are tropical moist forests, and the Brazilian Amazon rainforest accounted for 36 % of the global signal. (SYDNEY LEIMBACH)

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About half of the world's GDP depends on nature and the sustainable management of ecosystem services, including 1.2 billion jobs in agriculture, fisheries, forestry and tourism, according to the International Labor Organization. In recent times, climate and environmental changes are fast becoming the biggest threats to poverty reduction, decent work, sustainable development and social justice. The governing body of the International Labor Office, the executive body of the International Labor Organization (ILO), has recognized the urgent need for a transition to environmental sustainability in the world of work, and has shared details of a just transition that includes consideration of industrial policies. and technologies towards environmentally sustainable economies and societies for all. (Arina Sofiah)

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Measurements from Mauna Loa Observatory on Hawaii's Big Island averaged 424 parts per million (ppm) in May 2023, up 3 ppm from last May, according to the National Oceanic and Atmospheric Administration (NOAA). Atmospheric CO2 peaks in the Northern Hemisphere in May, so this month is used as a reference value. The new record builds on last year's all-time high and pushed the total concentration of CO2 in the atmosphere by 50 percent above pre-industrial levels. (Nick Kilvert)

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The war in Ukraine is deepening the climate crisis at a time when global greenhouse gas emissions are already at record highs, according to a report by carbon accounting experts who have calculated the total impact of the conflict. The report, to be released on the sidelines of the UN climate summit in Bonn this week, reckons the first 12 months of the war will produce a net increase of 120 million tonnes of greenhouse gases, equivalent to the annual output of a country the size of Belgium. (Sarah McFarlane)

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Architecture, engineering and construction employs 1.2 million people in Australia and accounts for 9 % of GDP. However, our largest services sector produces approximately 40 % of landfill waste and accounts for 18.1 % of Australia's carbon footprint. The industry must change its practices quickly if Australia is to meet its emissions reduction commitments under the Paris Agreement. A circular economy model can help solve the environmental challenges created by our built environment – water, waste and energy systems, transport infrastructure and the buildings in which we live and work. The circular economy involves sharing, renting, reusing, repairing, refurbishing and recycling materials. and products as long as possible. (M. Reza Hosseini)

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Recently, the European Union has once again become tougher in defining the rules to ensure Europe's carbon neutrality. It wants to achieve it by 2050. EU legislation requires all large companies and all listed companies (except listed micro-enterprises) to disclose information about what they consider to be the risks and opportunities arising from social and environmental issues and the impact of their activities on people and the environment. environment. The directive will tighten ESG reporting. Hundreds of Slovak companies will also be subject to the audit.

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Rich industrialized countries responsible for excessive levels of greenhouse gas emissions could pay $170 trillion in climate reparations by 2050 to ensure climate change mitigation goals are met, a new study calculates. The proposed compensation, which amounts to nearly $6 billion a year, would pay off historically low-polluting developing countries that must transition away from fossil fuels despite not having yet used their "fair share" of the global carbon budget, according to the published analysis. in the journal Nature Sustainability. (Nina Lakhaniová)

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Researchers are now calling for fungi to be given more consideration in conservation and biodiversity policies, and are investigating whether we can increase the amount of carbon that the soil beneath us can hold.

• Mycorrhizal fungi are responsible for trapping up to 36 percent of annual global fossil fuel emissions underground—more than China produces each year
• Fungi form a vast underground network across the planet beneath pastures and forests, as well as roads, gardens and homes on every continent on Earth.
• It is crucial not only for storing carbon and keeping the planet cooler, but also essential for global biodiversity.

(The University of Sheffield)

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A new analysis from the Apparel Impact Institute (Aii) has produced a new figure on the size of the fashion industry's carbon footprint, which it claims is the most accurate yet. Climate change consultant Michael Sadowski estimated that the industry was responsible for 897 million tonnes of carbon dioxide equivalent (CO2e) in 2021, or about 1.8 % of global greenhouse gas (GHG) emissions. This figure is revealed in Aii's new report, Taking Stock of Progress Against the Roadmap to Net Zero, which updates the 2021 report The Roadmap to Net Zero by Aii and the World Resources Institute (WRI). (Simon Glover)

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A unique carbon footprint tool has been created that will allow businesses to measure their CO output ₂ from their stored data. Every day, the average person creates 10 DVDs of data through their phones, fitness trackers, emails – anything that uses ones and zeros to process information. All these bytes are collected by companies and stored in various data centers around the world. By 2025, there will be an estimated 180 zettabytes of stored data, the equivalent of 6.8 billion years of continuous Netflix streaming. With this tool, which is believed to be the first of its kind, companies can make data-driven decisions that benefit the environment and save money by reducing the need for carbon offsets. (Loughborough University)

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e contribute to the removal of carbon from the atmosphere and thus help mitigate climate change.  However, after examining the main ways in which whales (such as humpback whales) remove atmospheric carbon on a regional and global scale, a team of researchers led by Griffith University in Australia recently found that the amount of potential carbon sequestration by whales is high. unfortunately too little to significantly alter the trajectory of climate change. (Andrei Ionescu)

Climate change is a huge challenge for all of us, but there are ways to change it.As human activity pushes us toward environmental disaster, it is important to act now.Whether you're at home, at work, at school or on the go, you can minimize your carbon footprint in a variety of ways.Let's explore five simple ways to reduce your carbon footprint.

Choose an energy supplier with low carbon emissions. Check if your current electricity provider offers renewable energy options such as solar and wind powerIf not, look for low carbon energy providers in your area and ask around to find one that suits your needs.Don't have any green energy options available? Speak loud! (Rishabh Raj)

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According to COP28 Director General Majid al-Suwaidi, the upcoming United Nations climate summit in Dubai will focus on bridging the gap between the Paris Agreement's climate goals and global emissions commitments. Why it matters: COP28 is seen as a last-ditch effort to limit warming to the most ambitious Paris target of 1.5°C (2.7°F) above pre-industrial levels by 2100, by sharply bending the emissions trajectory downward. (Andrew Freedman)

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Threats from the ever-emerging Atlantic hurricane season are converging as oceanic and atmospheric trends underscore how climate change is creating unprecedented storm conditions. The overall picture: The tropical Atlantic is particularly hot, especially temperatures in a crucial area of the sea known as the "main development region" where many tropical storms and hurricanes form and intensify. Ocean temperatures in this area are closely monitored early in the season and are used as a determining factor in forecasting storm activity. In many seasons, refreshing trade winds tend to cool these waters. It is not expected this year. Climate change is the main factor increasing ocean temperatures. Why it matters: The warmer waters worry officials and meteorologists responsible for tracking storms making landfall along the East and Gulf coasts because it would indicate a more active season. (Andrew Freedman, AXIOS)

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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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