 Complete the following phrase:  The first SOI expeditions were to Antarctica in 2000 and the Arctic in 2001. As of 2012, twenty-five polar expeditions had been completed including two expeditions to Antarctica for university students. More than 2,000 high school and university students, teachers, and experts from fifty-three countries have participated on SOI expeditions. The Students on Ice slogan Protect the poles, protect the planet was adopted in 2008.. In June 2012, a delegation of SOI alumni attended the 