Climate change is having profound impacts not only on individual species but also on the ecosystems to which they belong ... creating a mismatch between caribou and their food. MOVING NORTHWARD. Many ...

Melting Sea Ice The Arctic sea ice is disappearing at a pace that alarms scientists and nature enthusiasts alike. This ...

The non-profit Arctic Ice Project was experimenting with using silica beads to slow ice melt in the Arctic, but tests showed the plan posed risks to the food chain ...

A team of US researchers end a geoengineering experiment meant to cool down the Alaskan Arctic over environmental risks.

The polar bear tops the food chain. September sea ice — the ... But even then, the Arctic’s vast and unique ecosystem would be a tiny fraction of its former glory — and ultimately, the ...

All organisms in an ecosystem depend on each other. Food chains show the flow of energy from one organism to another. Food chains show the feeding relationships between organisms. Food webs show ...