Put another way, if there is enough humidity to work with then there are plants which have evolved to take in that humidity more efficiently than any apparatus.

Put another way, if there is enough humidity to work with then there are plants which have evolved to take in that humidity more efficiently than any apparatus. Imagine trying to design something that could compete with bamboo or certain bushes for extracting humidity from the air and either using it or transferring it to the surrounding microclimate.