https://getstell.com/glossary/wwdr-certificate
Apple WWDR certificate: what it is and why passes need it — Stell
What Apple's WWDR intermediate certificate is, why every signed wallet pass depends on it, and how a WWDR generation change can break pass signing overnight.
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https://ecpamericas.org/events/launch-of-the-wwdr-2014-save-the-date/
Launch of the WWDR 2014, Save the Date! - ECPA - Energy and Climate Partnership of the Americas »...
Dec 31, 2020 - Friday, March 21, 2014 Launch of the WWDR 2014, Save the Date! The upcoming World Water Development Report 2014 (WWDR) – Water and Energy, will be launched...
energy and climateof thelaunchwwdrsave