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Tag: Tim Radford


Lapland’s Mystery Moths Puzzle Science

Warmer and wetter conditions are often bad news for wildlife. But moths in Finland’s Arctic region are bucking the trend—and no one knows why.

Posted on Apr 24, 2014 READ MORE



Western U.S. Faces Worsening Wildfires

Drought and warmth are expected to mark winters in the Western U.S., researchers say, while abnormally cold weather will make the East and Southeast unusually wintry.

Posted on Apr 21, 2014 READ MORE



Science Finds New Routes to Energy

Scientists in the U.S. have found new ways to make biofuel, increase crop yields and exploit carbon dioxide through novel applications of familiar materials.

Posted on Apr 17, 2014 READ MORE



Climate Costs ‘May Prove Much Higher’

A re-examination of the true social costs of greenhouse gas emissions suggests they may have been seriously under-estimated, researchers say.

Posted on Apr 16, 2014 READ MORE



Fish on Acid Lose Fear of Predators

Some fish species in increasingly acidic tropical seas are losing their sense of smell and becoming easier prey for predators.

Posted on Apr 15, 2014 READ MORE



Greenland’s Ice Cap Is Becoming Unstable

Greenland is losing ice at an accelerating rate. The development suggests the edges of the island’s ice cap may be unstable.

Posted on Apr 14, 2014 READ MORE



Early Springs Surprise Many Species

Several species are struggling to adapt to the increasingly early advent of spring, and some are finding it beyond them.

Posted on Apr 8, 2014 READ MORE



U.S. Cools on States’ Climate Action

While Washington is doing more to address climate change, individual American states are scaling back their efforts—and apparently with public approval.

Posted on Apr 3, 2014 READ MORE



Telltale Paintings Show Climate’s Past

Paintings from several centuries ago can reveal fascinating details of what the climate was like at the time the artist created them, Greek researchers say.

Posted on Mar 27, 2014 READ MORE



Heat Extremes Threaten Crop Yields

Extreme heat is expected to be the greatest risk to several major crops as temperatures rise, scientists say.

Posted on Mar 22, 2014 READ MORE



Rockies Flora Show Climate Impact

The warming climate has caused widespread change in the flora of one meadow in the Rocky Mountains of Colorado, a painstaking study over nearly 40 years reveals.

Posted on Mar 21, 2014 READ MORE



Malarial Mosquitos Are Flying Higher

With many higher regions warming due to climate change it’s likely that mosquitoes carrying malaria will enlarge their territories.

Posted on Mar 15, 2014 READ MORE



Arctic Melt Speeding Up

It’s long been established that Arctic ice is on the retreat, but it’s the pace of change that’s surprising scientists: The latest studies show the region is the warmest it’s been in 40,000 years.

Posted on Mar 10, 2014 READ MORE



Cold and Warm Polar Water Mixing Slows

The process that sends cold surface Antarctic water to the warmer depths—redistributing heat and storing carbon—is now faltering, scientists say, because of climate change.

Posted on Mar 6, 2014 READ MORE



Europe’s Flood Risk May Double By 2050

Extreme floods in Europe could happen almost twice as often by 2050 as they do today, scientists say, as much of the continent recovers from the severest winter in several centuries.

Posted on Mar 3, 2014 READ MORE



Hotter Extremes Belie Warming ‘Pause’

Claims that climate change has paused are proved to be misleading, scientists say, by the evidence of increasing and more frequent extremes of heat affecting wider regions.

Posted on Mar 2, 2014 READ MORE



Climate Change ‘Raises Extinction Risk’

Wildlife does not face a unique risk of extinction because of climate change, researchers say. But the risks that species face already are likely to be intensified.

Posted on Mar 1, 2014 READ MORE



Climate Change ‘Helped to End Monsoon 4,000 Years Ago’

This generation has lessons to learn from the way climate change helped topple civilizations thousands of years ago, British scientists say.

Posted on Feb 28, 2014 READ MORE



Rising Sea Level Threatens Los Angeles

The city of Los Angeles faces a growing threat from rising sea levels by mid-century, researchers say as much of the region copes with an unprecedented drought.

Posted on Feb 23, 2014 READ MORE



Half of Plants May Move In Warmer World

One probable consequence of climate change will be a change in patterns of vegetation over much of the planet’s land surface.

Posted on Feb 17, 2014 READ MORE



Cities’ Twin Heat Problems May Get Relief

Climate change aside, cities tend to be warmer than the surrounding countryside. Now researchers in the U.S. have found ways that may lessen the effects of both problems.

Posted on Feb 16, 2014 READ MORE



Coastal Flooding ‘May Cost $100,000 Billion a Year by 2100’

Coastal flooding will be immensely expensive for richer countries to tackle by 2100, scientists say—and impossible for the poorest states, without action now.

Posted on Feb 13, 2014 READ MORE



Warming Spurs Plants to Earlier Activity

Flowering earlier or moving to a cooler region are both strategies used by plants to escape the impact of global warming, researchers say.

Posted on Feb 3, 2014 READ MORE



Penguins Feel Climate Change’s Impacts

Fewer penguin chicks that hatch in a colony in Argentina reach maturity, scientists found—and they say climate change is the culprit.

Posted on Feb 2, 2014 READ MORE



Atlantic Changes Are Warming Antarctic

What happens in one part of the world can have surprising long-distance effects on another—and that includes climate change.

Posted on Feb 1, 2014 READ MORE



Tropics’ Climate Sensitivity Increases

The effects of drought on tropical ecosystems have been underestimated, an international research team says, and their ability to store carbon is in decline.

Posted on Jan 31, 2014 READ MORE



Warming ‘Will Double Extreme El Niños’

Scientists say global warming will mean that extreme El Niños—the widespread periodic weather disruptions originating in the Pacific—will occur twice as often.

Posted on Jan 20, 2014 READ MORE



Rainy Mountains Speed CO2 Removal

The speed at which soil is produced by rain falling on mountain slopes proves to be much faster than science had realized—with significant implications for carbon in the atmosphere. 

Posted on Jan 19, 2014 READ MORE



Few Would Welcome Geo-Engineering

Research in Australia and New Zealand finds little appetite among the public for trying geo-engineering techniques to prevent global warming.

Posted on Jan 18, 2014 READ MORE



Thoreau’s Walden Pond Heats Up

A corner of the U.S. forever linked with the name of one of America’s foremost naturalists is changing as temperatures rise. Walden Pond’s familiar vegetation is not what it was in Thoreau’s day.

Posted on Jan 16, 2014 READ MORE



roland (CC BY 2.0)

‘Dark Money’ Funds U.S. Climate Deniers

U.S. organizations that deny climate change receive most of their funding from unidentifiable sources.

Posted on Jan 6, 2014 READ MORE



karindalziel (CC BY 2.0)

Warming Climate May Cut Cloud Cover

One of the great unknowns of climate science is what effect clouds have in accelerating or slowing warming. A new study sheds a disturbing light on their possible impact.

Posted on Jan 2, 2014 READ MORE



subarcticmike (CC BY 2.0)

2013 ‘Will Mark Continued Rise of CO2’

The 24 years since the world agreed to limit greenhouse gases are expected to have seen a rise of almost two-thirds in emissions of the main gas, carbon dioxide.

Posted on Dec 30, 2013 READ MORE



Matt and Kim Rudge (CC BY 2.0)

Drought Will Worsen One Day Somewhere

Although a new research project confirms that drought —and floods—will affect the world more severely during this century, uncertainty persists over who will suffer, and when.

Posted on Dec 28, 2013 READ MORE



NASA Goddard Photo and Video (CC BY 2.0)

West Antarctic Ice Loss Speeds Up

Scientists believe the West Antarctic is losing ice much faster than just a few years ago, although more accurate measurements may be responsible.

Posted on Dec 21, 2013 READ MORE



Benson Kua (CC BY-SA 2.0)

Tree Find Confirms Italian Alpine Melt

Glaciers in the high Italian Alps are everywhere in retreat, and scientists have found new evidence that confirms the mountains are warming at twice the global rate.

Posted on Dec 16, 2013 READ MORE



NASA Goddard Space Flight Center (CC BY 2.0)

Antarctic Fjord Life Puzzles Science

The variety and extent of marine life found in the fjords of the warming Antarctic Peninsula is in stark contrast to the sparsely populated seas of the Arctic.

Posted on Dec 14, 2013 READ MORE



Bryan Pocius (CC BY 2.0)

Reducing Sunlight ‘Will Not Cool Earth’

The beguiling idea that global warming can be moderated by engineering the atmosphere has been given a rebuff by two scientists who found the attempt could disrupt rainfall patterns.

Posted on Dec 8, 2013 READ MORE



oddsock (CC BY 2.0)

Local Climate Predictions Are Elusive

Scientists say that while they can confidently predict big climate changes, more detailed and local forecasts remain uncertain.

Posted on Dec 6, 2013 READ MORE



jeffwilcox (CC BY 2.0)

Climate Leaves European Cities Hesitant

A number of European cities show little sign of preparing for a warmer world despite the strenuous efforts of their national governments.

Posted on Dec 5, 2013 READ MORE



VinothChandar (CC BY 2.0)

Geo-Engineering ‘Could Upset Rainfall’

Attempts to tackle climate change through geo-engineering—technological fixes—could make the situation significantly worse, scientists report.

Posted on Dec 1, 2013 READ MORE



dbking (CC BY 2.0)

Warming ‘Will Be Hard to Reverse’

There may be less time to halt greenhouse gas emissions than we suppose, researchers who simulated the impacts of climate change far into the future say.

Posted on Nov 25, 2013 READ MORE



tata_aka_t (CC BY 2.0)

Deep Oceans May Be Storing Heat

New research supports the theory that the deep ocean may be storing much of the heat climate scientists had expected to find in the atmosphere.

Posted on Nov 24, 2013 READ MORE



Natasha Mayers (CC BY 2.0)

Historic CO2 Emissions Require Cuts Now

The amount of carbon dioxide that has already built up in the atmosphere is helping to accelerate the pace at which the Earth is warming, two scientists say.

Posted on Nov 21, 2013 READ MORE



NASA Earth Observatory (CC BY 2.0)

Saving Ozone May Slow Warming Rate

What appears to be a slowdown in the rate of atmospheric warming this century may have a simple explanation—it could be the consequence of protecting the ozone layer.

Posted on Nov 10, 2013 READ MORE



NASA Goddard Space Flight Center (CC BY 2.0)

Adapt to Warmer World Say U.S. Scientists

There is no silver bullet for tackling climate change, U.S. scientists say. The only option is for every part of society to accept the need to adapt to it.

Posted on Nov 9, 2013 READ MORE



Genista (CC BY-SA 2.0)

Mammals Shrank As the World Warmed

One way some species of mammal adapted to a warmer world was to lose body size, new fossil evidence confirms.

Posted on Nov 4, 2013 READ MORE



Marco Bellucci (CC BY 2.0)

Where on Earth Will the Waste Go?

The swelling tide of rubbish flowing from the world’s cities shows no sign of abating—and at least one disposal method means more greenhouse gas emissions.

Posted on Nov 3, 2013 READ MORE



Jonathan Kos-Read (CC BY-ND 2.0)

What Happens When the World Dries Out

As the atmosphere warms, the impact on the world’s drylands could alter the chemistry of the soil as well as increasing its aridity.

Posted on Nov 2, 2013 READ MORE



subarcticmike (CC BY 2.0)

Renewables ‘Need Huge Mineral Supply’

The world will have to hugely increase its consumption of minerals, and to find sustainable ways of exploiting them, if it is to replace fossil fuel technologies with renewables, researchers say.

Posted on Oct 31, 2013 READ MORE


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