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South Asia faces chronic declines in water tables because of groundwater-dependent agriculture and urbanization. Those shortages then affect agriculture, and consequently, the global food supply. “Millions of farmers are trying to grow more food from shrinking, polluted or disappearing water sources,” Madani says to the Guardian’s Damian Carrington. “Water bankruptcy in India or Pakistan, for example, also means an impact on rice exports to a lot of places around the world.”The American Southwest is another region with significant water problems. Researchers behind a 2017 study estimated that the Colorado River’s flow has dropped by about 20 percent in the 21st century compared with the average flow in the previous century. That’s causing conflict between Western states over how to manage the river’s dwindling waterof the global population lives in water-insecure or critically water-insecure countries, according to the U.N. report.“
The global scope of the report is useful in showing repeat patterns,” Melissa Scanlan, director of the Center for Water Policy at the University of Wisconsin-Milwaukee, tells Sarah Kaplan at the Washington Post. “It’s not just the Southern Hemisphere; it’s not just the Middle East. There is something larger at play in terms of how we’re treating water across the world,” says Scanlan, who was not involved in the U.N. report.The report calls for global action to tackle the widespread water issue......read on https://www.smithsonianmag.
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The biggest worry for scientists is that further heating could trigger irreversible tipping points, such as the widespread drying out and dying off of the Amazon, or the melting of the Greenland ice sheet, beyond which climate breakdown could spiral out of control. For the UN, and the world, minimising and, if possible, reversing that “overshoot” must now be the priority. But shifting the world’s energy systems to burn less fossil fuel is taking decades, time we no longer have to spare. Some scientists believe the answer lies elsewhere: with the powerful greenhouse gas, methane.
“Cutting methane is the single most important strategy to slow near-term warming,” says Durwood Zaelke, the president of the Institute for Governance and Sustainable Development, and a longtime advocate of action on methane. “In fact, it’s the only strategy that has a chance of working. Cutting carbon dioxide is a marathon, but methane is a sprint.”Methane, the main component of the natural gas that is burned around the world for fuel, is produced by natural and human-made processes, including leaky oil and gas infrastructure, livestock, and the rotting of organic material. Once in the atmosphere, it is about 80 times more powerful in trapping heat than carbon dioxide, but has a shorter life, breaking down in about 20 years.
Scientists estimate that methane alone has driven at least a third of the warming in recent years. New satellites and detection systems have revealed an unexpected truth: many countries have been massively underreporting their methane emissions, and the quantities of the gas being poured into the atmosphere have been climbing strongly, even while carbon dioxide output has been slowing.
Cutting methane would give the planet essential breathing space, staving off the worst consequences of climate breakdown while the transition to a clean energy future gathers pace. Global temperature rises could be held down by about 0.3C in the next decade with a 40% cut in methane, or by as much as 0.5C by 2050 with further cuts. If the world is to minimise the overshoot of the threshold of 1.5C above preindustrial levels, action on methane is indispensable. “It’s the rocket in the pocket,” says Paul Bledsoe, a former Clinton White House climate adviser. “It’s effective and it’s cheap to reduce methane – two-thirds of the reductions needed from the energy sector could be done at zero net cost.”
A paper published in October in the peer-review journal Science found that substantial cuts to methane could delay key tipping points: it could reduce the likelihood of the Amazon rainforest dying back by about 8%, and of disruption to the Indian monsoon by about 13%.The study also found that reducing methane paid for itself three times over – or six times over if health benefits were included. Cutting methane by a third by 2030 would be worth about $1tn a year for the global economy. Simon Dietz, a professor at the London School of Economics who cowrote the study, says: “The benefits of global methane action look so much larger than the costs that the economic case for action is clear. [It is] not only feasible but also economically compelling.”.....read on https://www.theguardian.com/environment/2025/nov/16/methane-cuts-climate-breakdown-cop30
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In general, El Niño makes for wetter conditions in some parts of the Americas while suppressing the Atlantic hurricane season. The phenomenon raises the risk of dryness in South and Southeast Asia, Australia, and southern Africa. Of course, the current El Niño is in the early stages of formation and might not live up to the hype. But if the forecasts prove accurate, it would be a whopper and its consequences would play out across a world that has grown far more resilient but also has new vulnerabilities.
Compared with those early times, countries today track El Niño events with oceanic gauges and early warning systems. Agriculture is far more sophisticated, and many countries vulnerable to food shocks hold strategic grain reserves. Nobody is predicting large-scale famine.
https://www.nytimes.com/2026/
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More Articles …
- Point of No Return: a Hellish ‘Hothouse Earth’ getting Closer, scientists say
- Experts say Brutal Temperatures in the west Threaten to Melt Sparse Snowpacks – and warn Hot, Dry Conditions here to stay,
- Winds, Blizzards and Triple-digit Heat put over Half of the US in the Path of Extreme Weather.
- Economic Growth is Still Heating the Planet. Is there Any Way Out?
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