India, Aug. 12 -- MrBeast's Team Water has added a top donor to its list. The venture aims to raise $40 million in August to fund long-term and sustainable water solutions.

MrBeast is working with Mark Rober on Team Water, which will ultimately benefit WaterAid, a nonprofit organization.

The fundraising initiative ends on August 31.

MrBeast or Jimmy Donaldson is the world's biggest YouTuber with 420 million subscribers. He visited Today with Team Water co-founder and former NASA engineer Rober, who also happens to be a YouTube personality, on August 5.

MrBeast was asked at the end of his segment if there was anyone the duo would like to directly challenge to get involved. At the time, Rober said "I say we shout out Mark Cuban."

MrBea...