Global warming is having an huge impact on the lives of communities in the Arctic. We visit Sami reindeer herders in northern Sweden to see how their livelihoods and identity are under threat.
Some people are skeptical that human activity is driving global warming. We take a look at the most common arguments used by climate deniers, and set the record straight.
Santa Claus could face problems delivering gifts: Researchers have found that wild reindeer herds are declining, and that the animals are getting smaller and weaker. And there's further bad news for Arctic animals.
With its operation IceBridge, NASA is currently conducting research flights over the Arctic to monitor ice loss. The photos are spectacular - and worrisome.
The massive servers required to process your tweets and videos are set to cause more carbon emissions than aviation. This week, Google pledged to power all its servers from renewables.
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