Ocean acidification

The world’s oceans can absorb carbon dioxide (CO2) from the atmosphere. The more carbon dioxide that is emitted into the atmosphere, the more the…

Migratory species worldwide

Migratory species are an important ecological link between the Arctic and the rest of the world. The threats facing these species include overharvesting, habitat…

Migratory pathways in the Arctic

Many Arctic species, including reindeer, marine mammals and many fish and birds, have adapted to the challenges of extreme weather conditions and scarce resources…

Mercury in Arctic soil

Arctic permafrost soils contain high levels of mercury, nearly double as much as all other soils, the ocean and the atmosphere combined. The impact…

Marine invasive pathways in the Arctic

Global trade and transport, both overland and via oceans, is contributing to the unintended spread of species across the globe. In other cases, species…

Invasive globetrotters

Global trade and transport, both overland and via oceans, is contributing to the unintended spread of species across the globe. In other cases, species…

Indigenous Peoples

The Arctic is home to just over 4 million people. Around 10 per cent of the population are Indigenous Peoples with many different cultures…

Global use of mercury

While mercury is a naturally occurring element, human activity has increased concentrations in aquatic and terrestrial ecosystems around the globe. Major sources of emissions…

Global distribution of microplastics

Marine plastic debris and microplastics (< 5 mm) make up around 75 per cent of the litter in the world’s oceans. They are damaging…

Global cultivation intensity as a proxy for POPs

Strict regulation has reduced the concentration of some POPs. However, new chemical contaminants reaching the Arctic is a matter of great concern. There are…

Arctic population and development

The Arctic is home to just over 4 million people. Around 10 per cent of the population are Indigenous Peoples with many different cultures…

Arctic climatic feedbacks

The Arctic region has a significant impact on the global climate, and strong feedback mechanisms exist between the Arctic and the rest of the…