- How did people measure average global temperature in the 1800s? How do we measure it today? https://scied.ucar.edu/image/measure-global-average-temperature-five-easy-steps 4 comments askscience
- Hot air rises, so why is temperature lower as you climb a mountain? http://scied.ucar.edu/sites/default/files/images/long-content-page/%3Cem%3EEdit%20Long%20Content%20Page%3C/em%3E%20Change%20in%20the%20Atmosphere%20with%20Altitude/tempprofile.gif 12 comments askscience
