Here are 5(ish) websites which anyone teaching about climate change may find useful:
The IPCC website for the latest reports.
Carbon Brief for current articles covering the latest developments in climate science, climate policy and energy policy.
Gridwatch for live statistics showing UK energy production.
The Global Carbon Atlas to explore and visualize the most up-to-date data on carbon fluxes resulting from human activities and natural processes.
The Climate Action Tracker tracks international government climate action and measures it against the globally agreed Paris Agreement aim of “holding warming well below 2°C, and pursuing efforts to limit warming to 1.5°C.”
NOAA monthly reports on global climate/ extreme weather events.
Other sources of climate data:
Copernicus maps and time-series of all sorts of climate data sources (CMIP5/6, reanalyses, regional climate models, etc.) for several variables. With the possibility of customizing the plots and exporting the data.
CRU data