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- 1Researchers create light beam with zero net spin●What if light could spin itself? Researchers at Wits University and UEA prepared a beam with zero net spin. As it travel
Physicists at Wits University in South Africa and the University of East Anglia in the UK have prepared a light beam with zero net spin. As the beam travelled through empty space, left- and right-handed regions emerged and separated, governed by a single topological number. The experiment required no special materials or tight conditions, and is being discussed as a striking demonstration of topology controlling how light behaves in free space.
- 2Ocean heat inertia may lock in tropical Pacific shift under net zero●Ocean thermal inertia sustains a tropical Pacific mean state shift under net zero
A new study in Nature finds that even after global emissions reach net zero, the ocean's thermal inertia would keep sustaining a shift in the tropical Pacific's mean climate state. The finding suggests changes to the Pacific's temperature patterns, which influence weather worldwide, could persist for a long time once triggered, with implications for long-term climate projections.
- 3Germany and UK accused of sacrificing economies for climate goals●Thank you Germany and UK for heroically sacrificing your economy to save the planet _
A widely shared post sarcastically thanks Germany and the UK for 'heroically sacrificing' their economies to save the planet. The comment taps into ongoing criticism that climate policies, high energy costs and net zero commitments are hurting both countries' industrial competitiveness, with Germany's economic stagnation and the UK's cost of living pressures fueling debate over the price of green transitions.
- 4Banks scale back net-zero and climate commitments▼Banks scaling back net-zero and climate commitments
Major banks are retreating from net-zero and climate commitments they once promoted, raising questions about the future of sustainable finance. Observers see the pullback as driven by political pressure, regulatory uncertainty and weak returns on green initiatives, prompting debate over whether climate pledges made after the Paris Agreement are being quietly abandoned.
- 5Faster net zero could curb lasting El Niño-like Pacific shift●Reaching net zero sooner could limit long-lasting El Niño-like shift in the Pacific
New research suggests that reaching net zero carbon emissions sooner could limit a long-lasting El Niño-like shift in the tropical Pacific. Scientists warn that continued warming may lock the Pacific into a persistent pattern resembling El Niño, with wide-ranging effects on global weather. The findings add weight to calls for faster emissions cuts to avoid triggering enduring changes in ocean and atmospheric circulation.