Glacial Expeditions — Your Experts in Adventure Travel

Comparison

Greg Mortimer vs Sylvia Earle

How Greg Mortimer vs Sylvia Earle compare, written from ships Chris and Erika Commisso have personally sailed. This comparison is being written up.

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Written by your expedition advisor

Chris Commisso standing beside a glacial lagoon in Iceland, with icebergs and a snow-covered mountain behind him.

Chris Commisso · Expedition Expert

Chris and Erika have personally sailed 18 expedition ships and explored eight expedition regions.

Last updated .