1. Ed Stafford was often tired because he didn’t have enough sleep / food .
2. Ed Stafford wrote a blog about climate change during / after his walk.
3. Meagan McGrath / Ed Stafford hasn’t travelled in cold weather.
4. Gerlinde Kaltenbrunner is from Austria / The United States .
5. Erik Weihenmayer / Meagan McGrath has ridden a bike across Canada.
6. Erik Weihenmayer has helped blind people to ride bikes / climb mountains .