News tagged with northern hemisphere

Earth's northern biomass mapped and measured

The biomass of the northern hemisphere's forests has been mapped with greater precision than ever before thanks to satellites, improving our understanding of the carbon cycle and our prediction of Earth's ...

Jun 27, 2013 5 / 5 (4) 0

Noctilucent clouds get an early start

Every summer, something strange and wonderful happens high above the north pole. Ice crystals begin to cling to the smoky remains of meteors, forming electric-blue clouds with tendrils that ripple hypnotically ...

Jun 10, 2013 5 / 5 (2) 0 | with audio podcast