Or that's the version we were told, anyway. The teenagers were called Eric Harris and Dylan Klebold, and their school was Columbine High, an idyllic sounding place nestled between the Denver metropolitan area and the foothills of the Rocky Mountains.
This is because the amount of sunlight the reaches the equator changes very little, although the temperatures do vary somewhat during the rainy season. Measurement: The average surface temperature on Earth is approximately 14Â°C; but as already noted, this varies.
Global mean surface temperatures 1856-2004. Global warming is a slow steady rise in Earth 's surface temperature. Temperatures today are 0.74 Â° C (1.33 Â° F) higher than 150 years ago.Many scientists say that in the next 100â200 years, temperatures might be up to 6 degrees Celsius higher than they were before the effects of global warming were discovered.lobal warming is a slow steady rise in Earth 's surface temperature. Temperatures today are 0.74 Â° C (1.33 Â° F) higher than 150 years ago.