of course there is!! Antarctica is the most under threat from things like global warming, tourists, mining and overfishing.
There is no particular costume for Antarctica as there are no permanent residents there. Neither is there any evidence of there ever being a native civilization there. The visiting scientists just wear normal western style cold-weather and protective clothing.
No. Humans have never lived in Antarctica; it's too cold.
There is no evidence that any kind of seal that lives in the waters around Antarctica is becoming extinct, and in fact, are all listed as of 'least concern' on lists of endangered animals.
Being scared to take the risk
yes
The short answer is no. But you can learn about reducing risk by being better informed.
No. There are no bears in Antarctica of any species.
Scientific data is the only result of any kind of 'mining' in Antarctica. All other kinds of mining are forbidden under the Antarctic Treaty.
Antarctica is a desert.
Antarctica is a continent.
Category X: Evidence of fetal risk. Risks outweigh any benefits.
Being a lawyer does not involve any particular occupational safety risks.