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Threshold

6 GoKawiil briefs on this topic

Kansas researchers project 1.5°C warming threshold could be crossed by 2028

A new paper in Climate and Atmospheric Science by two University of Kansas researchers finds the rate of global warming roughly doubled between 2011-2025 compared with 1971-2025. Extrapolating that accelerated trend, the authors project the planet could cross the Paris Agreement's 1.5 degrees Celsius threshold by 2028, nearly a decade earlier than prior estimates.

FDA proposal would let more toxic chemicals enter food without safety review

The FDA has proposed expanding its 'threshold of regulation' exemption, which currently applies only to food-contact materials like packaging, to allow chemicals to be added directly to food as flavorings, preservatives, emulsifiers and other additives without safety review, provided they fall below 0.5 parts per billion. The expansion was included in a Federal Register filing tied to the agency's recent move to close the separate 'generally regarded as safe' loophole, which Robert F Kennedy Jr and the FDA publicly touted as a win for food safety.

Jevstiller open-sourced: local model distills Jev with a set disagreement budget

A Show HN project called Jevstiller introduces a local CPU model trained on outputs from the Jev classification API, aiming to answer most requests in about 15 milliseconds instead of the roughly 300 milliseconds a network call to Jev takes. Users set a target agreement rate (e.g. 98%), and the system routes only enough traffic to the local model to keep its combined coverage and error rate within that budget, sending the rest to Jev.

August 2023 Ties July 2023 as Hottest Month on Record, EU Data Shows

The EU's climate service confirmed that August matched July 2023 as the hottest month ever measured, with global temperatures averaging 1.65C above pre-industrial levels. Scientists attribute the spike to a combination of long-term climate change and an intensifying El Nino pattern in the Pacific. The month also closed out western Europe's hottest summer on record, exceeding the deadly heat wave of 2003.

Pew Research: 60% of Americans now call themselves working class, even high earners

A new Pew Research analysis finds that 60% of Americans self-identify as working class, up from 54% last year. Notably, half of adults earning above $155,600—Pew's upper-income threshold—also embrace the label, alongside 67% of middle-income earners and 77% of blue-collar workers.

UN Report: Paris Agreement's 1.5°C Limit Set to Be Breached Within Years

A new United Nations report finds that global warming is on track to exceed the 1.5°C threshold established by the Paris Agreement much sooner than previously expected, potentially within just a few years. The finding undercuts the most optimistic projections for limiting climate change that policymakers have relied on for years.