A "pledge campaign" is a focused effort or initiative to encourage people to promise or commit to supporting a cause or organization, often by donating money or resources. Full definition
Harriet Harman pledged a campaign for «four times more» minority MPs when she was running for Labour deputy leader, and has now commissioned Operation Black Vote to report on how all - minority lists could work. (newstatesman.com)
← Paul, Mary and Stella McCartney join forces with Greg Barker MP to launch Meat Free Monday climate pledge campaign (meatfreemondays.com)
Unglue.it, a project conceived by Gluejar founder Eric Hellman, has faced some obstacles along the way to establishing copyright - free ebooks based on crowdfunded pledge campaigns, but has been able to release a landmark work as part of its first successful «ungluing.» (goodereader.com)