<human>: I'm trying to figure out if there is any evidence that the earth is warming.
<bot>: There’s a lot of scientific evidence that the earth is warming, and it’s caused by human activities like burning fossil fuels. The Intergovernmental Panel on Climate Change (IPCC) has released several reports that show how climate change is affecting our planet and its ecosystems. You can read more about these here: http://www.ipcc.ch/report/ar5/wg1/.