The Arctic can feel like a far-off place, disconnected from daily life if you aren't one of the 4 million people who live there. Yet, the changes underway in the Arctic as temperatures rise can ...
Humans and other animals such as mammoths and bison could cross short stretches of wetland, but hundreds of kilometers were probably a different matter Consequently, the team is confident higher ...
Across the Circumpolar North (a region spanning three continents that includes eight countries), scientists have observed increases in greening of between 20% and 40% in recent decades.