Buckle up for a trip back in time to the last ice age. We touch down in the mammoth steppe, and discover that this was a surprisingly productive ecosystem--it supported a high density and diversity of animals, including mammoths and other big hairy herbivores. So productive, it has been called the 'Serengeti of the North'. And it turns out that the very nature of this ecosystem--the interactions between herbivores, plants, microbes in the guts of animals, microbes in the soil, little di...
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Buckle up for a trip back in time to the last ice age. We touch down in the mammoth steppe, and discover that this was a surprisingly productive ecosystem--it supported a high density and diversity of animals, including mammoths and other big hairy herbivores. So productive, it has been called the 'Serengeti of the North'. And it turns out that the very nature of this ecosystem--the interactions between herbivores, plants, microbes in the guts of animals, microbes in the soil, little di...
Carbon in the Ground 2: The Great Freezer of the North
Polar Pod
27 minutes
3 years ago
Carbon in the Ground 2: The Great Freezer of the North
In this episode, we take a close look at permafrost and how it is responding to climate change. This matters because the permafrost is acting as a giant freezer for vast quantities of carbon-rich organic matter--if the freezer thaws, microbial decomposition can lead to this carbon ending up in the atmosphere, causing further warming. So, how resilient is permafrost to change? We also discover how, as the ground thaws, it changes shape, and what this means for people's homes and infrastr...
Polar Pod
Buckle up for a trip back in time to the last ice age. We touch down in the mammoth steppe, and discover that this was a surprisingly productive ecosystem--it supported a high density and diversity of animals, including mammoths and other big hairy herbivores. So productive, it has been called the 'Serengeti of the North'. And it turns out that the very nature of this ecosystem--the interactions between herbivores, plants, microbes in the guts of animals, microbes in the soil, little di...
