"Global temperature" refers to the average measurement of how hot or cold the Earth's atmosphere is worldwide. It helps scientists to understand the general temperature trends and changes happening all around the planet. Full definition
A change in solar activity may also, for example, have contributed to the post Little Ice Age rise in global temperatures in the first half of the 20th Century. (sciencedaily.com)
Multiple independent analyses of long - term temperature records show average global temperatures rising as greenhouse gas concentrations have risen. (planet3.org)