As Hurricane Milton barreled toward Florida’s Gulf Coast,
demonstrating the dangers of global warming, international scientists on Tuesday published a terrifying annual analysis that highlights the need to swiftly phase out planet-heating fossil fuels.
“Our aim in the present article is to communicate directly to researchers, policymakers, and the public,” the coalition wrote in BioScience. “As scientists and academics, we feel it is our moral duty and that of our institutions to alert humanity to the growing threats that we face as clearly as possible and to show leadership in addressing them.”
“We are on the brink of an irreversible climate disaster. This is a global emergency beyond any doubt. Much of the very fabric of life on Earth is imperiled. We are stepping into a critical and unpredictable new phase of the climate crisis,” warned the 14 experts from Australia, Brazil, China, Denmark, Germany, Switzerland, the United Kingdom, and the United States.
Their latest edition, “The 2024 State of the Climate Report: Perilous Times on Planet Earth,” shows that 25 of the 35 “planetary vital signs” the team uses to track the climate emergency are at record extremes. They include U.S.-heat related mortality, fossil fuel subsidies, coal and oil consumption, carbon dioxide equivalent emissions, per capita meat consumption, global tree cover loss due to fires, ocean acidity and heat content change, glacier thickness change, and ice mass change in Antarctica and Greenland.
“Ecological overshoot, taking more than the Earth can safely give, has pushed the planet into climatic conditions more threatening than anything witnessed even by our prehistoric relatives.”
The report emphasizes that “human-caused carbon dioxide emissions and other greenhouse gases are the primary drivers of climate change. As of 2022, global fossil fuel combustion and industrial processes account for approximately 90% of these emissions, whereas land-use change, primarily deforestation, accounts for approximately 10%.”
“For many years, scientists, including a group of more than 15,000, have sounded the alarm about the impending dangers of climate change driven by increasing greenhouse gas emissions and ecosystem change,” the publication notes. “For half a century, global warming has been correctly predicted even before it was observed—and not only by independent academic scientists but also by fossil fuel companies.”
“Despite these warnings, we are still moving in the wrong direction; fossil fuel emissions have increased to an all-time high, the three hottest days ever occurred in July of 2024, and current policies have us on track for approximately 2.7°C peak warming by 2100,” the article adds. “Tragically, we are failing to avoid serious impacts, and we can now only hope to limit the extent of the damage. We are witnessing the grim reality of the forecasts as climate impacts escalate, bringing forth scenes of unprecedented disasters around the world and human and nonhuman suffering.”
Oregon State University professor William Ripple, who led the team with Christopher Wolf of Terrestrial Ecosystems Research Associates, said in a Tuesday statement that “ecological overshoot, taking more than the Earth can safely give, has pushed the planet into climatic conditions more threatening than anything witnessed even by our prehistoric relatives.”
“We’re already in the midst of abrupt climate upheaval,” Ripple stressed. “For example, Hurricane Helene caused more than 200 deaths in the southeastern United States and massive flooding in a North Carolina mountain area thought to be a safe haven from climate change.”
“Since the publication of our 2023 report, multiple climate-related disasters have taken place, including a series of heatwaves across Asia that killed more than a thousand people and led to temperatures reaching 122°F in parts of India,” he continued. “Climate change has already displaced millions of people, with the potential to displace hundreds of millions or even billions. That would likely lead to greater geopolitical instability, possibly even partial societal collapse.”
To avoid that dark future, the article argues, “we need bold, transformative change: drastically reducing overconsumption and waste, especially by the affluent, stabilizing and gradually reducing the human population through empowering education and rights for girls and women, reforming food production systems to support more plant-based eating, and adopting an ecological and post-growth economics framework that ensures social justice.”
The assessment—whose authors include Michael Mann of the University of Pennsylvania, Naomi Oreskes of Harvard University, and Stefan Rahmstorf and Johan Rockström of the Potsdam Institute for Climate Impact Research—comes just over a month away from the next United Nations Climate Change Conference, COP29, which is scheduled for November 11-22 in Azerbaijan.
Pointing to previous summits, Wolf said Tuesday that “despite six reports from the International Panel on Climate Change, hundreds of other reports, tens of thousands of scientific papers, and 28 annual meetings of the U.N.’s Conference of the Parties, the world has made very little headway on climate change.”
“Humanity’s future depends on creativity, moral fiber, and perseverance,” he warned. “If future generations are to inherit the world they deserve, decisive action is needed, and fast.”
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