global warming

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Carbon Dioxide Levels Increase at Record Pace

Mauna Loa observatory records highest-ever annual jump

(Newser) - The Mauna Loa observatory in Hawaii has been measuring carbon dioxide in the atmosphere for more than six decades, and it just recorded the biggest annual increase on record.
  • The jump: The March reading at the National Oceanic Atmospheric Administration lab was 4.7 parts per million higher than last

The World's Fish Are Shrinking
The World's Fish Are Shrinking

The World's Fish Are Shrinking

The trend has been ongoing, but scientists can't pinpoint what's happening biologically

(Newser) - The ocean's fish are getting smaller, posing a threat to global food security for the 3 billion people whose meals depend on them. And while scientists have a name for the puzzling phenomenon—the temperature-size rule—they cannot pinpoint the mechanism that's being triggered to cause it. "...

Venezuela Just Said Goodbye to Its Last Glacier

Humboldt Peak, which melted more quickly than anticipated, has been reclassified as an ice field

(Newser) - At one point, Venezuela claimed six glaciers, all located in the Sierra Nevada de Merida mountain range. By 2011, five of those glaciers had vanished, leaving just the Humboldt glacier, aka La Corona. Now, Venezuela has exactly zero glaciers, after Humboldt was reclassified as an ice field due to a...

In the World's Oceans, 'a Cause for Great Concern'

Earth's seas have busted temperature records every day over the past year, per BBC analysis

(Newser) - This past April was the hottest on record, according to the EU's Copernicus Climate Change Service, making it the 11th month in a row to claim that designation. Now, using data from that same agency, the BBC finds that the Earth's oceans are fighting a similarly heated battle—...

A Massive Problem May Loom for Our Homes

'Economist' reports that a tenth of the world's residential property is under threat to climate change

(Newser) - The Economist is sounding the alarm about what it sees as the "next housing crisis," and it doesn't involve mortgage rates or boom-and-bust cycles. Instead, it involves climate change. The cover story asserts "that a tenth of the world's residential property by value is under...

Some Blame Weather Modification for Dubai Downpour

But experts say record rainfall in UAE was more likely spurred by climate change, not cloud seeding

(Newser) - Dubai's rare epic rainfall this week sparked headlines, jaw-dropping videos , and now, questions on weather modification. The United Arab Emirates' largest city received nearly 6 inches of rain over a 24-hour period Monday into Tuesday—for context, Dubai International Airport usually sees less than 4 inches over an entire...

End of El Nino Could Land Us in 'Uncharted Territory'

Scientists hope for a break in heat with La Nina, fear for the alternative

(Newser) - "Last month was the hottest on record." It's a phrase you've probably heard a lot lately. Last month was indeed the warmest March on record , just as the previous month was the warmest February on record, following the warmest January on record. That's been the...

Switzerland Sued Over Climate Inaction: 'This Is Huge'

2K older women had brought case over effects of heat waves to EU's high court for human rights

(Newser) - The European Court of Human Rights is holding an entire nation accountable for its tepid action against climate change, issuing a "landmark ruling" on Tuesday that Switzerland's lack of appropriate action violates its citizens' human rights, per the New York Times . "This is huge," University of...

Scientists Warm Up to Idea on Cooling Down the Earth

Solar geoengineering projects that involve deflecting the sun's rays get a second look

(Newser) - Three and a half decades ago, British physicist John Latham raised the wild idea of injecting droplets of seawater into clouds to brighten them, increasing their reflection of solar radiation and thereby cooling the planet. He suggested 1,000 unmanned vessels could sail the oceans, spraying water into the air....

Amid 'Grim Global Outlook,' This Shark Species Thrives

Juvenile bull shark population off Alabama grew fivefold in past 20 years as water temps warmed

(Newser) - The frog hasn't noticed it's slowly boiling to death, and neither do bull sharks off the coast of Alabama, apparently. Or, if they do, they're going out with a bang, multiplying at a rate that has brought the juvenile population's numbers up fivefold over the past...

'Once-Unthinkable' Ways We Can Cool the Planet

Scientists are turning to solutions like mechanical trees and brightening clouds

(Newser) - Reversing course on climate change requires a global reduction in GHG emissions that we're just not keeping pace with—and per the Wall Street Journal , desperate times call for desperate measures, at least to some scientists. The urgency of the times has prompted them to think way outside the...

Climate Scientist: On a Scale of 1 to 10, We're at a 10

But after warmest February on record, we'll soon need a new scale, she says

(Newser) - The latest climate bulletin from the Copernicus monitoring service will not be a surprise to people in the Upper Midwest lamenting a " lost winter ." Copernicus says last month was the warmest February on record, the latest month in a record-breaking 12-month period that also includes the warmest June,...

This Grim Arctic Milestone Is Only Years Away
This Grim Arctic Milestone
Is Only Years Away

This Grim Arctic Milestone Is Only Years Away

Decades after its first 'ice-free' day, ocean could be mostly water for months and months

(Newser) - If the Arctic were a color, it would be white. But not for long, apparently. Scientists say to expect a "blue Arctic" in summer months within a decade as emissions from the burning of fossil fuels continue to warm the planet, melting Arctic sea ice . Researchers used climate models...

In a Place Famous for Winter, 'What If Winter Never Comes?'

Life is currently 'unrecognizable' in Wisconsin's Northwoods, where snow and ice have been sparse

(Newser) - Maple sugaring season has kicked off early in Wisconsin's Northwoods—great news for pancake lovers, but not-so-great news for this area and other parts of the Upper Midwest that are experiencing what the Washington Post calls a "lost winter."
  • What's going on: Warmer-than-usual temps in Wisconsin

Scientists Have New Climate-Change Warning: Locusts

Researchers say climate change will prompt more outbreaks of crop-destroying insects

(Newser) - Extreme wind and rain may lead to bigger and worse desert locust outbreaks, with climate change likely to intensify the weather patterns and cause higher outbreak risks, a new study has found. The desert locust—a short-horned species found in some dry areas of northern and eastern Africa, the Middle...

Scientists Followed 20 Polar Bears. Their Findings Are Grim

The creatures are starving as climate change causes ice melt and they can't access main prey

(Newser) - Imagine being a nursing mom who can't produce milk because you're starving, or trying to swim more than 100 miles after not eating for days. Those are just a couple of the scenarios Time notes are now plaguing polar bears in the Arctic as sea ice continues to...

In Latest Climate Report, a 'Warning to Humanity'

Earth hit threshold of 1.5 degrees Celsius over an entire year, with hottest January on record

(Newser) - World leaders walked away from the 2015 UN Climate Change Conference with the aim to limit global warming to 1.5 degrees Celsius above preindustrial levels to avoid the worst impacts of climate change. We've now hit that threshold over a yearlong period, European climate monitors announced Thursday. February...

Scientists Envision a Massive Space Umbrella

Idea is to protect us from the sun's solar radiation

(Newser) - Sometimes, proposals to keep the Earth cool are too complicated for non-scientists to understand. And sometimes, they're like this one: "the equivalent of a giant beach umbrella, floating in outer space." That's from the New York Times in its coverage of a proposal being floated by...

Greenland Ice Sheet Losing 30M Tons of Ice Per Hour

New study finds an increase to the amount previously estimated

(Newser) - A new study on Greenland's ice cap has disturbing implications: Researchers found it's losing more than 30 million tons of ice per hour, on average. That's a lot more than had previously been estimated, and it means more freshwater is going into the north Atlantic Ocean than...

John Kerry to End Tenure as Climate Envoy

Former secretary of state considers Biden's reelection key to climate battle

(Newser) - John Kerry has told President Biden he plans to resign as special envoy for climate—a job created for him— by spring. The former secretary of state and US senator told the president on Wednesday and his staff on Saturday, the New York Times reports. Kerry will instead work on...

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