10: How do we actually *know* Antarctica is melting? | Dr Michelle Maclennan
Beyond the Ice30 Juli 2025

10: How do we actually *know* Antarctica is melting? | Dr Michelle Maclennan

When news broke that Antarctica had gained ice mass between 2021 and 2023, it sparked debate across comment sections worldwide. How could the continent be gaining ice when we're constantly told it's melting? The reality reveals fascinating insights into how Antarctica's ice system responds to extreme weather.
Climate scientist Dr Michelle Maclennan from British Antarctic Survey explains how scientists measure ice changes across this enormous continent. What does "mass balance" actually mean? What are atmospheric rivers, and what part do they play in extreme events? And does this recent ice gain signal hope for the future - or is it just a brief pause in Antarctica's contribution to rising seas?
--
Beyond the Ice helps you unpack the latest news in climate science with the experts at British Antarctic Survey. Our planet is changing at a rate and scale unlike anything seen in human history - and Earth's frozen places are the front line. After all, what happens in Antarctica doesn’t stay in Antarctica.
Beyond the Ice is also available as a LinkedIn Newsletter. Subscribe here:
https://www.linkedin.com/newsletters/beyond-the-ice-7114973466654560256/
Beyond the Ice is edited and presented by Em Newton.

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Avsnitt(13)

13: Polar science is a secret strength in international relations | with Oliver Darke

13: Polar science is a secret strength in international relations | with Oliver Darke

Geopolitics grows more unstable, and interest in Earth’s polar regions is growing. The collaborative spirit and achievements of polar science are growing all the more important.In this edition of Beyo...

26 Feb 36min

12: Can art help communicate climate science? | Dr Jo Johnson & Rowan Huntley

12: Can art help communicate climate science? | Dr Jo Johnson & Rowan Huntley

Artist Rowan Huntley and British Antarctic Survey Geochemist Dr Joanne Johnson have been working together to translate polar science into art. Their exhibition at the The Polar Museum in Cambridge is ...

2 Jan 29min

11: Why is everyone talking about geoengineering? | Professor Dame Jane Francis

11: Why is everyone talking about geoengineering? | Professor Dame Jane Francis

Geoengineering is the hot topic in climate science debate - drawing increasingly emotive and divisive responses, as investment in blue-sky engineering proposals grows and progress on decarbonisation s...

25 Sep 202523min

9: Are Emperor penguins heading for extinction? | Dr Peter Fretwell

9: Are Emperor penguins heading for extinction? | Dr Peter Fretwell

New research suggests there's been a shocking 22% drop in the Emperor penguin population in Antarctica over just 15 years - more than double previous estimates and outpacing even the most pessimistic ...

12 Juni 202520min

8: Discovering a hole in the ozone layer | Jonathan Shanklin, Prof John Pyle & Prof Lucy Carpenter

8: Discovering a hole in the ozone layer | Jonathan Shanklin, Prof John Pyle & Prof Lucy Carpenter

Forty years ago, British Antarctic Survey scientists made a world-changing discovery: a hole in Earth's protective ozone layer above Antarctica. In this episode, meteorologist Jonathan Shanklin recoun...

14 Maj 202524min

7: The least sea ice, ever? Lows in the Arctic | Dr Caroline Holmes

7: The least sea ice, ever? Lows in the Arctic | Dr Caroline Holmes

In February 2025, there was less sea ice on Earth than ever recorded. It's the coldest time of year in the Arctic, and the freeze up of Arctic ice is nearing its maximum - but that maximum is looking ...

27 Feb 202525min

6: How are the LA wildfires linked to climate change? | Dr Ella Gilbert & Dr Thomas Bauska

6: How are the LA wildfires linked to climate change? | Dr Ella Gilbert & Dr Thomas Bauska

Wildfires are devastating the city of Los Angeles, fuelled by a perfect storm of dry conditions and intense mountain winds. In this episode of Beyond the Ice, we break down the weather and climate fac...

16 Jan 202524min

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