The IPCC Data Distribution Center at DKRZ

Finding and accessing data:  https://cera-www.dkrz.de/WDCC/ui/cerasearch/q?general_key_ss=IPCC-DDC

Data download guide: https://cera-www.dkrz.de/WDCC/ui/cerasearch/info?site=IPCC-DDC-AR5-data

Official IPCC-DDC website: http://www.ipcc-data.org