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Photo of author Kieran Mulvaney
Kieran Mulvaney

Latest Posts From Kieran

Climate
By Kieran Mulvaney

Postcard From the North Pole: Assessing Climate Change at the Top of the World

A voyage on a nuclear-powered icebreaker lays bare a region rapidly changing due to climate change.

Animals
By Kieran Mulvaney

A Warming Arctic Could Make Rare Polar Bear Attacks More Common

Records dating back to the late-19th century show fewer than 100 polar bear attacks on humans, but the changing climate could make encounters with hungry bears more likely.

Climate
By Kieran Mulvaney

‘Enduring Ice’ Expedition Will Kayak Through the Harshest of Arctic Environments

The five-member team will collect sea ice measurements and film their journey to educate viewers on the dramatic changes underway in the Canadian Arctic Archipelago.

Animals
By Kieran Mulvaney

Death by Octopus Is a Grisly Dietary Hazard for Dolphins

Eating an octopus can result in a highly unpleasant death for a dolphin unless the cephalopod is well and truly dismembered or rendered inert.

Climate
By Kieran Mulvaney

Earth Could Blow Past a Dangerous Temperature Threshold in Less Than a Decade

A dynamic in Earth's climate system has been in a cool phase but new research suggests it may soon become warm, which could boost the rise in global temperatures.

Conservation
By Kieran Mulvaney

The Earth Optimism Summit Seeks to Highlight Conservation Success Stories

Conservationists are gathering in Washington DC to reflect on successful efforts at protecting species and habitats around the world.

Earth & Conservation
By Kieran Mulvaney

Climate Change Is Likely to Make Air Travel a Lot Bumpier

Changes in the atmosphere brought about by global warming could increase levels of light turbulence by 59 percent and severe turbulence by 149 percent.

Earth & Conservation
By Kieran Mulvaney

Thinning Arctic Ice Is Breeding Dangerous Phytoplankton Blooms

Phytoplankton blooms, brought about in part by climate change, run the risk of disrupting the Arctic's food web

Climate
By Kieran Mulvaney

Dead Zones Add Yet Another Threat to Tropical Coral Reefs

Nutrient runoff in temperate waters is widely understood to cause dead zones, but researcher are turning their focus to tropical waters where the phenomenon is less understood.

Space & Innovation
By Kieran Mulvaney

Tiny Plastic 'Nurdles' Are Invading the Shores of British Beaches

The lentil-sized pellets, which are highly toxic to wildlife, have swarmed nearly three quarters of Britain's coastline, with more than 100,000 of them washing up on one messy stretch.

Climate
By Kieran Mulvaney

Scientists Hatch a Plan to Refreeze the Arctic, Saying Cutting CO2 Isn't Enough

Large-scale geoengineering interventions could cool the planet, yet the environmental costs are unclear.

Climate
By Kieran Mulvaney

Humans Are Changing the Climate 170 Times Faster Than Normal

A newly developed formula shows how much the planet has warmed due to human activity vs. natural forces.

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