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arctic ecosystems

A small fly is a super pollinator in the Arctic

VIDEO: An international research group has found that a small cousin of the housefly is responsible for much of the plant pollination in the Arctic.

The valley at the end of the world – and the magical mysteries we found there

OPINION: Plant life in parts of the high Arctic are changing fast, possibly due to changing climate and local bird populations, but scientists are still putting the pieces of the puzzle together.

Northern nature under stress

High northern latitudes are increasingly exposed to the combination of extreme winter climate and deposition of long-distance dispersed nitrogen pollution. These combined pressures may over time drive changes in plant composition and carbon uptake.

Thin Arctic foxes suffer more from industrial pollutants

The Arctic may be a long way from the industrial world, but harmful chemical substances find their way northward and concentrate in animals there.

Arctic fox feed at night to avoid snowmobile traffic

The Arctic fox is at the top of the food chain in Svalbard, but humans on snowmobiles are disturbing its mealtimes.

Arctic bacteria converts mercury

Bacteria in the Arctic converts harmful mercury to less harmful, airborne mercury. This helps protect polar bears and seals from poisonous human emissions.

Extreme weather in the Arctic causes problems for people and wildlife

The last week of January 2012 brought wild weather to the Norwegian arctic island archipelago of Svalbard and its largest town, Longyearbyen.

An arctic animal community crashes in response to extreme weather events

What happens when animals in harsh environments are exposed to extreme weather? Scientists found that extreme icing caused widespread die-offs in one arctic animal community. Climate change may cause more such extremes.

Ivory gulls threatened by eggshell thinning

High levels of environmental contaminants are linked with thinner eggshells in the ivory gull, a red-listed high Arctic seabird. Scientists are concerned that pollutants and the stress from global warming could cause populations to plummet.