Citation Hunt

Leaderboard

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page Global surface temperature:

This text has been unreferenced on Wikipedia for a very long time. If you can't find a source, be bold and remove it!

"

Based on the NOAA dataset (note that other datasets produce different rankings[10]), the following table lists the global combined land and ocean annually averaged temperature rank and anomaly for each of the 10 warmest years on record.[11] For comparison: IPCC uses the mean of four different datasets and expresses the data relative to 1850–1900.[citation needed] Although global instrumental temperature records begin only in 1850, reconstructions of earlier temperatures based on climate proxies, suggest these recent years may be the warmest for several centuries to millennia, or longer.[12]: 2–6