# Indicators of a warming world

Humans are warming the planet[1] by increasing the greenhouse gases in the atmosphere. Scientists have many lines of evidence that consistently show that the world is getting warmer. These indicators of global warming (see figure 1 below) include:[1]

Visit the above pages for information about each.

Figure 1. Ten indicators of a warming world.[2]

## References

1. NASA. (Accessed November 7, 2015). Climate change: How do we know? [Online], Available: http://climate.nasa.gov/evidence/
2. Wikimedia Commons [Online], Available: https://commons.wikimedia.org/wiki/File:Diagram_showing_ten_indicators_of_global_warming.png