RE
Program

Halt the Hitchhiker: Invasive Species Challenge

Pays inventors and startups cash prizes through a three-phase competition for solutions that stop invasive mussels from spreading through recreational watercraft ballast tanks, with the top Phase 3 prize reaching up to $125,000.

Bureau of ReclamationUnited StatesPrize

The challenge runs in three phases: Phase 1 concept papers were judged by a panel on technical merit, viability and readiness, paying up to $25,000 each to up to six winners. Phase 2 invites those winners to pitch a path to an engineering design in a virtual 'Shark Tank'-style session for a further prize, and Phase 3 has the remaining teams build and lab-test a prototype for a top prize of up to $…

Each grant below is a distinct funding opportunity with its own eligibility, scope, and deliverables.