WHO chief urges countries to quickly seal pandemic deal

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Geneva — The World Health Organization chief on Monday urged countries to nail down a landmark global agreement on handling of future pandemics after they missed a hard deadline. Scarred by COVID-19 — which killed millions, shredded economies and crippled health systems — nations have spent…


Africa’s cholera crisis is worse than ever

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LILANDA, Zambia — Extreme weather events have hit parts of Africa relentlessly in the last three years, with tropical storms, floods and drought causing crises of hunger and displacement. They leave another deadly threat behind them: some of the continent's worst outbreaks of cholera. In southern…


Italian museum recreates Tanzanian butterfly forest

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TRENTO, Italy — In a lush greenhouse high in the Alps, butterflies of various species and colors flutter freely while butterfly pupae are suspended in a structure as they grow into adult insects. This is the Butterfly Forest in the tropical mountain greenhouse in Trento, Italy,…


World’s largest tree passes health check

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SEQUOIA NATIONAL PARK, California — High in the evergreen canopy of General Sherman, the world's largest tree, researchers searched for evidence of an emerging threat to giant sequoias: bark beetles. The climbers descended the towering 2,200-year-old tree with good news on Tuesday. "The General Sherman tree…