To this can be added the experience of the 1981 contest between Tony Benn and Denis Healey where the NUPE ballot returned a vote for Healey in spite of the recommendation and strenuous efforts of the union's leadership. (leftfutures.org)
Some developed nations made strenuous efforts to meet their Kyoto targets. (history.aip.org)
Despite strenuous efforts by regulators, a significant fraction of the offset credits is fictitious «hot air» manufactured by accounting tricks, critics say. (scientificamerican.com)