‘Rivers in the sky’ have drenched California, but more extreme rain showers are possible

For years, scientists have said that atmospheric rivers can make or break the water supply of California’s thirsty cities and farms. Over the past two winters, a steady succession of these giant “rivers in the sky” has dumped record-breaking and drought-wrecking precipitation across the state, while simultaneously causing catastrophic flooding, landslides and dangerous snowstorms. But … Read more

Scientists warn that a crucial ocean current could collapse, altering global weather

In 2017, chunks of ice broke off from the Greenland ice sheet, creating a swarm of icebergs in a fjord. (David Goldman/Associated Press) Scientists are sounding the alarm as a crucial part of the planet’s climate system is gradually deteriorating and could one day reach a tipping point that would radically change global weather patterns. … Read more