Lava spurts from Iceland volcano for second day

GRINDAVIK, Iceland — Lava continued to spurt from a volcano in southwestern Iceland on Thursday but the activity had calmed significantly from when it erupted a day earlier. The eruption Wednesday was the fifth and most powerful since the volcanic system near Grindavik reawakened in December after 800 years, gushing record …

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Africa’s cholera crisis is worse than ever

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 and East Africa, more than …

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World’s largest tree passes health check

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 is doing fine right now,” …

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