Science

El Niño is here and the world must prepare for more extreme heat, UN weather agency warns | CNN Governments must prepare for more extreme weather events and record temperatures in the coming months, the World Meteorological Organization warned Tuesday, as it declared the onset of the warming phenomenon El Niño. Helen Regan CNN

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COVID-19 digital contact tracing worked — heed the lessons for future pandemics Nature - For all the controversy over decentralized contact-tracing apps, data show that these privacy-preserving tools saved thousands of lives during the pandemic. National and international... Salathé, Marcel nature

...To harness this potentially transformative tool in future, policymakers and other stakeholders must heed the evidence — and the lessons — now emerging from its use during the COVID-19 pandemic.

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Global COVID markers show few hot spots as XBB.1.16 overtakes XBB.1.5 CIDRAP

Some countries continue to report high COVID-19 burdens, reflected mainly in hospitalization and death data, the World Health Organization (WHO) said in its latest weekly update. ..

Warming causes more extreme rain, not snow, over mountains. Scientists say that’s a problem A new study says climate change is turning major snowfalls into more extreme rain over mountains, somehow worsening both dangerous flooding like the type that devastated Pakistan last year and long-term water shortages. AP News

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