Climate Indicators

What is 'snow blood' and how is it linked to climate change?

'Snow blood' accelerates Alpine thaw, say scientists - and it's spreading. Image: Unsplash/Erol Ahmed

Cecile Mantovani

Journalist, Reuters

Denis Balibouse

Photographer, Reuters

Share:
The Big Picture
Explore and monitor how Climate Indicators is affecting economies, industries and global issues
Crowdsource Innovation
Get involved with our crowdsourced digital platform to deliver impact at scale
Stay up to date:

Climate Indicators

Researcher Eric Marechal holds up a vial of snow blood.
Eric Marechal, researcher at the Cell and Plant Physiology Laboratory at CEA, with a sample of snow blood. Image: REUTERS/Denis Balibouse
Scientist collecting snow blood in test tube.
The algae was only formally identified and given its Latin name Sanguina nivaloides in 2019. Image: REUTERS/Denis Balibouse
Scientists taking samples of snow in the Alps.
The scientists say the volumes of algae appear to be growing due to climate change. Image: REUTERS/Denis Balibouse
Snow having melted off the mountains.
The presence of the algae accelerates snow melt in the Alps. Image: REUTERS/Denis Balibouse
Discover

What’s the World Economic Forum doing about climate change?

Have you read?
Don't miss any update on this topic

Create a free account and access your personalized content collection with our latest publications and analyses.

License and Republishing

World Economic Forum articles may be republished in accordance with the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International Public License, and in accordance with our Terms of Use.

The views expressed in this article are those of the author alone and not the World Economic Forum.

Related topics:
Climate IndicatorsClimate ChangeBiodiversity
Share:
Global Agenda

The Agenda Weekly

A weekly update of the most important issues driving the global agenda

Subscribe today

You can unsubscribe at any time using the link in our emails. For more details, review our privacy policy.

Climate crisis raised the risk of 2021 weather extremes, annual report finds

Olivia Rosane

January 26, 2023

1:40
About Us
Events
Media
Partners & Members
Language Editions

Privacy Policy & Terms of Service

© 2023 World Economic Forum