来自MSN2 个月
The Arctic tundra is changing so fast that it is speeding up the climate crisis, top ...
The consequences reach across the globe. The Arctic tundra now releases more carbon than it naturally draws down from the sky, as wildfires burn down its trees and permafrost thaw releases potent ...
来自MSN2 个月
The Arctic tundra was a carbon sink. Now it contributes to global emissions
The Arctic tundra is now emitting more carbon dioxide than it absorbs, according to the latest Arctic Report Card released by the US National Oceanic and Atmospheric Administration (NOAA).
AZ Animals (US) on MSN12 天
Surviving Nature’s Freezers: Meet the Animals Thriving in Earth’s Polar Regions
What animals live in the coldest areas of the planet? We've done the research! Meet the animals thriving in earth's polar ...
National Geographic news12 年
Tundra Swan
The snowy white tundra swan breeds in the Arctic and migrates many miles to ... nests are large stick dwellings lined with moss and grasses. Ideally, they are situated close to a pond or other ...
BBC1 年
What have you learned about tundra?
The temperature of the Tundra is cold for most of the year ... For example, cotton grass is short, which protects it from the wind, and snow cover in winter shields it from the extreme cold.