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☆ Data from sponges suggest the world has overshot a climate limit, new study says
▼ + stars: | 2024-02-05 | by ( Rachel Ramirez | ) edition.cnn.com time to read: +5 min

These findings, published Monday in the journal Nature Climate Change, are alarming but also controversial. Other scientists say the study contains too many uncertainties and limitations to draw such firm conclusions and could end up confusing public understanding of climate change. Researchers say the results also suggest global temperature could overshoot 2 degrees of warming by the end of the decade. Changing that baseline would mean the world has already warmed at least 1.7 degrees (scientists say long-term global warming currently stands at between 1.2 to 1.3 degrees). Whatever the baseline for measuring global warming, what remains clear, experts say, is that the impacts will worsen with every fraction of a degree of warming.

Persons: ” Malcolm McCulloch, Gavin Schmidt, ”, Gabi Hegerl, Yadvinder Malhi, It’s, Amos Winter, Joeri Rogelj, “, Winter Organizations: CNN, University of Western, NASA, University of Edinburgh, Environmental, Institute, University of Oxford, Indiana State University, Grantham Institute, Imperial College London Locations: Puerto Rico, Caribbean, Paris, University of Western Australia

☆ Climate summit leader said there’s ‘no science’ behind need to phase out fossil fuels, alarming scientists
▼ + stars: | 2023-12-03 | by ( Laura Paddison | ) edition.cnn.com time to read: +6 min

CNN —The president of the COP28 climate summit, Sultan Al Jaber, recently claimed there is “no science” that says phasing out fossil fuels is necessary to limit global warming to 1.5 degrees Celsius above pre-industrial levels, in comments that have alarmed climate scientists and advocates. The future role of fossil fuels is one of the most controversial issues countries are grappling with at the COP28 climate summit. Al Jaber was asked by Mary Robinson, former president of Ireland and current chair of the Elders Group, an independent group of global leaders, if he would lead on phasing out fossil fuels. While some argue carbon capture will be an important tool for reducing planet-heating pollution, others argue these technologies are expensive, unproven at scale and a distraction from policies to cut fossil fuel use. “They are not going to get any help from the COP Presidency in delivering a strong outcome on a fossil fuel phase out,” he said in a statement.

Persons: Sultan Al Jaber, Al Jaber, Mary Robinson, Robinson, ”, Al Jaber’s, what’s, Romain Ioualalen, Al, ” Joeri, Mohamed Adow, Angela Dewan, Rachel Ramirez Organizations: CNN, ”, Guardian, Elders Group, Abu, Abu Dhabi National Oil Company, UN, International Energy Agency, IEA, Stockholm Environment Institute, Change, Imperial College London Locations: Paris, “, Abu Dhabi, Stockholm, UN, UAE

☆ ‘Backtracking:’ A year of climate failures ahead of a crucial summit
▼ + stars: | 2023-11-30 | by ( Laura Paddison | ) edition.cnn.com time to read: +11 min

And yet, even as the climate crisis inserts itself viscerally into people’s lives, experts say the year has seen alarming backsliding on climate action. Green policies have been watered down, huge new oil and gas projects have been greenlit and coal has had something of a resurgence. As countries gather in Dubai for the UN’s COP28 climate summit, there are “high expectations,” said Harjeet Singh, the head of global political strategy at nonprofit Climate Action Network International. It sent worrying signals about climate backtracking, said Elisa Giannelli, a senior policy advisor at climate think tank E3G. Around 50% of its total capital spending needs to go toward clean energy projects by 2030, according to the report.

Persons: ”, Harjeet Singh, Kaveh Guilanpour, Singh, Biden, “, Erik Grafe, Joe Biden, Countess, Norway —, Elisa Giannelli, “ It’s, Rishi Sunak, Joeri Rogelj, Flora Champenois, It’s, Bernd Lauter, ” Rogelj, Darren Woods, Bernard Looney, Fatih Birol, Guilanpour, Claire Fyson, ” Fyson, “ we’re, ” CNN’s Ella Nilsen, Ivana Kottasová, Gan Organizations: CNN, United Nations, Action, “, Climate, Energy Solutions, US Department of Interior, Imperial College London, Global Energy Monitor, GEM, Getty, BP, Chevron, ExxonMobil, Shell, Exxon, IEA, Climate Analytics Locations: Canada, Libyan, Dubai, Alaska, Washington ,, Australia, Norway, Europe, Germany, China, Asia, Ukraine, Eschweiler, COP28

☆ Window for Meeting Key Climate Goal Is Even Narrower Than Thought
▼ + stars: | 2023-10-30 | by ( Raymond Zhong | More About Raymond Zhong | ) www.nytimes.com time to read: +1 min

Already, human activity has raised average global temperatures by about 1.2 degrees Celsius relative to preindustrial conditions. The most promising paths for avoiding 1.5 degrees are clearly gone, Joeri Rogelj, a climate scientist at Imperial College London who worked on the new projections, said at a news briefing. “And they have been gone for a while, to be honest,” he added. Even so, having an up-to-date picture of emissions and warming can still help governments figure out how to meet less ambitious climate goals, including the Paris pact’s second-best limit of 2 degrees Celsius. Every extra increment of warming increases the risk of dangerous heat waves, floods, crop failures, species extinctions and wildfires.

Persons: Joeri Organizations: Imperial College London, Paris Locations: Paris

☆ Planeta se încălzeşte rapid. Până în 2025, lumea va atinge primul prag critic de temperatură
▼ + stars: | 2021-05-28 | by ( Publika.Md - Aici Sunt Știrile | ) www.publika.md time to read: +3 min

Acesta este primul prag critic de temperatură stabilit în urma Acordului de la Paris, din 2015, care vizează menţinerea încălzirii globale sub nivelul de +2 grade Celsius şi, dacă e posibil, la +1,5 grade Celsius. „Dar este, totuşi, o veste foarte proastă”, a spus Joeri Rogelj, cercetător la Institutul Grantham al Colegiului Imperial din Londra. Acordul de la Paris din 2015 vizează menţinerea încălzirii planetei sub nivelul de +2 grade Celsius şi, dacă e posibil, la +1,5 grade Celsius. Pentru a spera în respectarea obiectivului de +1,5 grade Celsius, trebuie reduse emisiile cu 7,6% anual în perioada 2020-2030, potrivit ONU. „Dar dacă ne găsim la limita de sus a estimării, obiectivul de 1,5 grade Celsius ar putea fi practic imposibil”, a spus omul de ştiinţă.

Persons: Leon Hermanson, Hawkins, Hawkins . Cercetătorul, Nathan Gillet Organizations: BBC, Imperial, ONU Locations: Paris, SUA, China, Londra, Reading

☆ Raport: Planeta se încălzeşte mai repede decât s-a anticipat; Până în 2025, se va atinge primul prag critic de temperatură
▼ + stars: | 2021-05-28 | by ( ) www.jurnal.md time to read: +3 min

Acesta este primul prag critic de temperatură stabilit în urma Acordului de la Paris, din 2015, care vizează menţinerea încălzirii globale sub nivelul de +2 grade Celsius şi, dacă e posibil, la +1,5 grade Celsius. „Ne apropiem de pragul de 1,5 grade - încă nu am ajuns acolo, dar suntem aproape”, a declarat pentru BBC meteorologul Leon Hermanson. „Dar este, totuşi, o veste foarte proastă”, a spus Joeri Rogelj, cercetător la Institutul Grantham al Colegiului Imperial din Londra. „Nu chiar ca o prăpastie, ci mai degrabă o pantă pe care deja ne aflăm”, a spus Hawkins. Seria celor mai calzi ani a început în 2015, primul an când temperatura globală a aerului a depășit cu 1 grad Celsius perioada preindustrială (1850-1900).

Persons: Leon Hermanson, Hawkins, Hawkins . Cercetătorul Organizations: BBC, Imperial Locations: Paris, SUA, China, Londra, Reading

„Dar este, totuşi, o veste foarte proastă”, a spus Joeri Rogelj, cercetător la Institutul Grantham al Colegiului Imperial din Londra. Acordul de la Paris din 2015 vizează menţinerea încălzirii planetei sub nivelul de +2 grade Celsius şi, dacă e posibil, la +1,5 grade Celsius. Pentru a spera în respectarea obiectivului de +1,5 grade Celsius, trebuie reduse emisiile cu 7,6% anual în perioada 2020-2030, potrivit ONU. O cifră similară în scădere a fost măsurată în 2020, dar acest lucru a fost determinat de pandemia de Covid-19. „Dar dacă ne găsim la limita de sus a estimării, obiectivul de 1,5 grade Celsius ar putea fi practic imposibil”, a spus omul de ştiinţă.

Persons: Leon Hermanson, Hawkins, Hawkins . Cercetătorul, Nathan Gillet Organizations: BBC, Imperial, ONU Locations: SUA, China, Paris, Londra, Reading

☆ Raport: Planeta se încălzeşte mai repede decât s-a anticipat; Până în 2025 lumea va atinge primul prag critic de temperatură
▼ + stars: | 2021-05-28 | by ( ) www.jurnal.md time to read: +4 min

Persons: Leon Hermanson, Hawkins, Hawkins . Cercetătorul, Nathan Gillet Organizations: BBC, Imperial, ONU Locations: Paris, SUA, China, Londra, Reading

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