Every few years, the world's top scientists come up with hundreds of different scenarios, all aimed at limiting global warming to 2 degrees Celsius (3.6 degrees Fahrenheit) compared to pre-industrial levels. All successful plans require serious emissions reductions—not surprising, since humans have released more than 1.7 trillion metric tons of CO2 into the atmosphere over the past three centuries. But many of these plans also require something else: vacuuming carbon from the atmosphere. The challenge is that no one can agree on how best to do this. Carbon sequestration is a general term for anything humans do that takes CO2 out of the air and stores it somewhere else. To meet the world's climate goals, we would have to do it on a massive scale—anywhere from 440 billion to 1.1 trillion metric tons before the end of the century. That's more carbon than the US has produced in its entire history. (Grist)

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Climate Shift je skvelý názov pre nedávno spustenú kampaň, ktorú podporilo 30 environmentálnych skupín . To je veľa ľudí, ktorí naliehajú na vládu, aby zmenila svoje zameranie na splnenie rýchlo miznúceho klimatického cieľa 1,5 C. Ide o 10-bodový plán opatrení v oblasti klímy, ktorý sa riadi tromi témami – dosiahnutie skutočného zníženia emisií, podpora komunít v prvej línii a obnova a znovuzrodenie prírody. Jeho iniciátormi boli Greenpeace, Forest & Bird a Oxfam. (Pat Baskett)

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Climate change is undeniably warming our planet. The big question looms: How much can we trust our plants and soil to help clean up the carbon mess we've created? According to new research led by Wu Sun and Anna Michalak of the Carnegie Institute for Science, we might have some surprising answers. (Chrissy Sexton)

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Hardly a week goes by without another dramatic report about humanity and the planet reaching a tipping point in relation to climate change. The latest news was a heart-wrenching analysis by the World Meteorological Organization and an arresting criticism of the UN Secretary-General. Both were shared in the last days of April. Artificial intelligence will determine whether we fly over the tipping point or hang back from the edge. (Francesco Ricciuti)

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We can't say "we never knew" when melting glaciers and polar ice caps engulf us in our own stupidity. Even lemmings react to threats with courage and vigor, so why do people sleep comfortably in air-conditioned or centrally-heated houses... after all, it is aimed at the rich industrialized world - rural Africans, Indians or Chinese or other such people in Mexico, Latin America or whatever other parts of the world are not responsible for our global warming. (Dr. Arshad M. Khan)

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El Niño events typically occur every two to seven years and are characterized by higher-than-average sea surface temperatures around the equator in the central and eastern Pacific Ocean. However, these events can be felt globally. "Depending on its strength, El Niño can cause a range of impacts, such as increasing the risk of heavy rainfall and drought in certain locations around the world," she said. Michelle L'Heureux, a physical scientist at NOAA's Climate Prediction Center.  Statement from June 8. "El Niño could lead to new temperature records, especially in areas that already experience above-average temperatures during El Niño."

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In 2022, there were 963 million international tourists worldwide. That's 963 million opportunities for tourism to positively impact and drive transformative change. More precisely, that's 963 million chances to raise awareness of the reality of the climate crisis in vivid and memorable ways, and to inspire determination to protect the planet and fight for climate action. (Mia Taylor)

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Artificial intelligence (AI) has become an integral part of our daily lives, with applications ranging from personalized recommendations to autonomous vehicles. However, the rapid development and deployment of AI systems has raised concerns about their impact on the environment. The massive computing power required to train AI models, especially deep learning algorithms, consumes significant amounts of energy, contributing to greenhouse gas emissions and climate change. In response to this challenge, researchers and engineers have turned to federated learning, a distributed approach to training AI models that has the potential to significantly reduce AI's carbon footprint.

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By taking small steps at home, you can save energy and money and help protect the climate by reducing emissions. Households produce roughly a quarter of all direct CO₂ emissions that occur in the EU today. And did you know that three quarters of the energy used by households across the EU is used for heating and cooling?

Heating and cooling

• Do not overheat the water. Set the boiler to a maximum temperature of 60°C to work efficiently and hygienically.
• Use the thermostat wisely. Did you know that your house won't heat up faster if you turn up the thermostat? This only affects the maximum temperature in your house.
• Close the curtains or blinds on hot days, to reduce sunlight entering your home.
• Keep cool with a fan. Fans use much less energy than air conditioners.

People often underestimate the impact of social media scrolling on their carbon footprint because other things tend to get more attention. But how much does it affect our personal emissions? According to the study, the most polluting app is TikTok, which, despite having only a third of Facebook's user base, produces more CO2 than any other competitor. They have a solid 30% lead over rival Reddit in per capita emissions with 30.72 kg of CO2 per user per year. For comparison, this equates to 0.38 % of the average carbon emissions of a Chinese citizen in 2021, which is slightly more than a flight from Beijing to Tianjin. If you scrolled through TikTok every day for as long as the average user does (32 minutes a day) for your entire life, you would generate slightly more carbon emissions than flying from Beijing to Malta. (Jay Bodsworth)

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Building a sustainable future is no longer a distant dream, but an urgent necessity. As the world grapples with the consequences of climate change, the need for innovative and green solutions has never been more critical. One of the solutions that has gained significant traction in recent years is the concept of zero net energy buildings. These structures are designed to generate as much energy as they consume, resulting in zero net energy consumption. As we explore the potential of net zero energy buildings, it is clear that they are a key strategy for creating a sustainable future. (Terence West)

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The role of green hydrogen in achieving zero net emissions has become a topic of increasing interest and importance in recent years. As countries around the world commit to reducing their greenhouse gas emissions in line with the Paris Agreement, the need for innovative and sustainable energy solutions has never been more urgent. One such solution is green hydrogen, a clean and versatile energy carrier that has the potential to significantly accelerate the transition to zero net emissions. (AI models)

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Climate change is expected to increase the severity and frequency of wildfires and other environmental disasters in California and beyond. Wildfires, such as the recent fires in Canada that brought smoke to the Midwest and Northeast regions of the United States, pose a threat to the physical health of older adults, especially those in marginalized communities. New research shows that similar events could also take a toll on the mental health of older people. (AMBIKA KANDASAMY)

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Climate change is already affecting the daily lives of Europeans and will continue to do so for the foreseeable future. Europe is expected to warm, with some regions drier and others wetter. These changes will not only affect our health, but also the ecosystems we depend on. The EU is preparing to live with a changing climate through various adaptation measures. Extreme weather events such as storms, heatwaves and floods have taken their toll in Europe over the past 40 years 85,000 to 145,000 human deaths. More than 85 % of these deaths were caused  heat waves . Economic losses caused by extreme weather and climate in Europe have reached for the same period, approximately half a billion euros .

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We're all in denial, one way or another. Maybe it's the only way to get out. But we cannot avoid the evidence, collectively, in the long run. In terms of key indicators, temperatures across the planet are off the charts this year. This is especially the case in the ocean. Since April, the average global sea surface temperature has climbed far beyond anything ever recorded. (Adam Morton)

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Artificial intelligence (AI) has become an integral part of our daily lives, powering everything from voice assistants to self-driving cars. As AI continues to advance and become more sophisticated, it is important to consider the energy consumption, cost and carbon footprint associated with these technologies. In this article, we will look at the energy behind AI, discussing the factors that contribute to its consumption, cost and carbon footprint, as well as possible solutions to mitigate these issues. (Lawrence Webb)

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What is carbon offset and why is it used? Carbon offsets are used by sustainability managers to make progress toward a company's greenhouse gas (GHG) reduction goals. Carbon offsets allow companies to reduce their carbon footprint by supporting projects that reduce or remove greenhouse gases from the atmosphere. These projects may include activities such as renewable energy production, reforestation and conservation of natural resources. By purchasing carbon offsets, companies can reduce their own emissions and contribute to reducing global greenhouse gas emissions. In addition, carbon offsets can provide a way for companies to demonstrate their commitment to sustainability to consumers, shareholders and other stakeholders. (Steven Anderson)

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Talks on setting ambitious targets for the world's bid to adapt to the effects of climate change were saved for the last minute at the Bonn climate talks, after sharp divisions between developing and developed countries. The tough negotiations in Germany centered on the framework for the Global Adaptation Goal, an initiative aimed at increasing the resilience of nations to extreme weather events, floods, droughts and sea-level rise. (Matteo Civillini)

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