Play Live Radio
Next Up:
0:00 0:00
Available On Air Stations

What do seaweed and cow burps have to do with climate change?

Updated January 06, 2023 at 09:33 AM ET

Part 4 of the TED Radio Hour episode Repair, Repurpose, Reimagine.

Each year, one cow can belch 220 pounds of the greenhouse gas methane. Animal scientist Ermias Kebreab experimented with alternative cow diets and found a surprising solution: seaweed.

About Ermias Kebreab

Ermias Kebreab is a professor and the associate dean of global engagement at the University of California Davis College of Agricultural and Environmental Sciences. He is also the director of the UC Davis World Food Center.

Kebreab was a contributing author to the Intergovernmental Panel on Climate Change 2019 update on livestock-related emissions and he chaired a Food and Agricultural Organization of the United Nation's task force on feed additives and methane. He has contributed to over250 scientific articles on the climate impacts of livestock.

Kebreab grew up in Eritrea and earned his bachelor's degree from the University of Asmara. He received his PhD in ecological modeling from the University of Reading. He served as the editor on numerous books on agriculture and animal nutrition.

Copyright 2022 NPR

Rommel Wood
[Copyright 2024 NPR]
Manoush Zomorodi
Manoush Zomorodi is the host of TED Radio Hour. She is a journalist, podcaster and media entrepreneur, and her work reflects her passion for investigating how technology and business are transforming humanity.
Rachel Faulkner White
Rachel Faulkner is a producer and editor for TED Radio Hour.
Katie Simon
Katie Simon is the Supervising Editor for Embedded, which showcases premier enterprise documentary storytelling for NPR and the NPR Network.