Signs of Climate Change

The evidence of climate change is all around us. Here’s a rundown of the dramatic problems we now face, and why we need solutions, not more debate.

Climate Change Chart
The long, steady line shows the relatively stable level of atmospheric carbon dioxide, which remained at around 285 parts per million (ppm) until humans began burning fossil fuels in the mid-19th century (short line).
NATE SKOW; SOURCE: CDIAC & NOAA, 2011