In about 15 days, I will begin the journey to Africa to join a team of GLOBE students, teachers, and scientists on the Kilimanjaro Learning Xpedition. This is an exciting trek as it takes us up to almost 6,000 metres (over 19,000 ft). Almost 30 years ago, I was an expedition leader on a scientific and educational expedition in the Indian Himalayas, and that was an...