Which word should I use?

[Tan Elaine]

The persistence of dengue fever in Singapore is a challenge to actions against / for environmental management.

Which word in bold should I use? If neither word is correct, which word should I use? If one of them is correct, I would use 'for'. Am I correct?

Thanks.

[susiedq]

(Something bad) is a challenge to (Something good)

Something good = actions for environmental management.


It could also be stated:

The persistence of dengue fever in Singapore is a challenge to environmental management efforts.
.