Honesty is the best policy.
1. There are many instances where the Webmasters have extended the period for which members can earn Adsense. A number of active members' Adsense revenue share period has been extended from one year to longer durations. Such privilege is granted to members who are consistent and submit good quality posts. The webmasters do it on their own, based on the members' contributions and perhaps recommendations.
2. Members also have the options of republishing their articles. Every article that gets republished automatically qualifies for another year of Adsense revenue, starting from the new date.
"A love affair with knowledge will never end in heartbreak." -Michael Garrett Marino
'Idhuvum Kadandhu Pogum "
Even this challenging situation would ease