Adelies, and the little helmeted chinstrap penguins, however, are in decline.
The Antarctic Peninsula has warmed by an average of 3C in the last 60 years, and winds have shifted, changing the pattern of the sea ice.
It is global warming that is changing the penguins' fortunes, McDowell suggests, not tourism.
There are concerns for the future however. Tourist numbers look set to rise and membership of IAATO is voluntary.
Tourist ships are starting to offer activities like KAYAKING, mountaineering and diving which are potentially more invasive than simply looking.
The impact isn't clear and more monitoring is certainly needed.
Back in London, enjoying my photos of ethereal icescapes and brilliantly comic penguins, I wonder again whether I should feel guilty for having been in Antarctica?
"No," says polar expert Jane Rumble, "just do what you can to preserve it.
Adelies, and the little helmeted chinstrap penguins, however, are in decline.
The Antarctic Peninsula has warmed by an average of 3C in the last 60 years, and winds have shifted, changing the pattern of the sea ice.
It is global warming that is changing the penguins' fortunes, McDowell suggests, not tourism.
There are concerns for the future however. Tourist numbers look set to rise and membership of IAATO is voluntary.
Tourist ships are starting to offer activities like KAYAKING, mountaineering and diving which are potentially more invasive than simply looking.
The impact isn't clear and more monitoring is certainly needed.
Back in London, enjoying my photos of ethereal icescapes and brilliantly comic penguins, I wonder again whether I should feel guilty for having been in Antarctica?
"No," says polar expert Jane Rumble, "just do what you can to preserve it.
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