Yves Frenot is deputy director of the French Polar Institute.

VOA: special.2009.06.03

Warmer temperatures cause water to expand,a phenomenon called thermal expansion, and cause glaciers and polar ice caps to melt.

VOA: standard.2009.11.09

He says this piece of work is more about the melting ice of the Arctic than polar bears.

VOA: standard.2009.12.13

While this work isn't about polar bears specifically, the melting Arctic does mean they're threatened.

VOA: standard.2009.12.13

He was inspired when visiting a remote Inuit community in Northern Canada, and now wants to share his experiences of seeing polar bears and the Arctic.

VOA: standard.2009.12.13

These glaciers are the largest body of ice outside the polar caps.

VOA: standard.2010.01.23

inside,a bronze skeleton modeled on a full-size male polar bear.

VOA: standard.2009.12.13

Walsh spent eight years in academia. The retired Navy captain continued to pursue his passions as a scuba diver, private pilot and explorer, participating in dozens ocean dives and expeditions to the polar regions.

VOA: standard.2010.06.21