Essays on the Arctic

The warmest January/February in the Arctic (2016)

Ask an expert Muyin Wang

Why is the Arctic so sensitive to climate change and why do we care?

Ask an expert Mark Serreze

Why and how do scientists study climate change in the Arctic? What are the Arctic climate indices?

Ask an expert Nick Bond/James Overland/Nancy Soreide

The short Arctic summer of 2004 - as observed by the North Pole Web Cam

Ask an expert Norbert Untersteiner

Arctic summer time - the puzzling summer of 2003

Ask an expert Norbert Untersteiner

How rapidly is permafrost changing and what are the impacts of these changes?

Ask an expert Vladimir E. Romanovsky

What changes are indigenous peoples observing in the state of sea ice?

Ask an expert Shari Gearheard

Changes in Arctic sea ice over the past 50 years: Bridging the knowledge gap between the scientific community and the Alaska Native community

Ask an expert Rob Mattlin/Henry Huntington

How have changes in Arctic environment over the past 50 years affected the Alaska Native community?

Ask an expert Caleb Pungowiyi

How has the intensity of UVB radiation changed recently in the Arctic, and what significance might these changes have?

Ask an expert Betsy Weatherhead

How does Arctic sea ice form and decay?

Ask an expert Peter Wadhams

What changes have occurred in Arctic sea ice volume and dynamics over the past 50 years?

Ask an expert Norbert Untersteiner

How might sea level be affected by changes in the Arctic land ice?

Ask an expert Roger Barry

What long term trends and decadal changes do you see occurring in the Arctic atmosphere, and what significance do they have?

Ask an expert John Walsh

How well can Arctic climate be simulated by computer-based models?

Ask an expert Amanda Lynch

Is mercury a significant contaminant in the Arctic?

Ask an expert Steve Lindberg/Steve Brooks

What research needs and priorities are important to Arctic development?

Ask an expert Walter B. Parker

What do we know about organisms that thrive in Arctic sea ice?

Ask an expert Krembs/Deming

What do we know about communities of organisms thriving around vents and seeps on the Arctic sea floor?

Ask an expert Peter Vogt

Arctic Wolves and their prey

Ask an expert L. David Mech

What has been happening to polar bears in recent decades?

Ask an expert Scott L. Schliebe