Help sustain America’s reservoirs. We’re looking for ways to remove sedimentation that regularly accumulates in reservoirs.

Rio Tinto seeks new approaches for mineral sands mining to reduce water use, avoid costly infrastructure and minimize environmental impacts.

Encourage the development of new ideas to cut the costs, timelines, and risks associated with small hydropower foundation development.

Help us find a solution that can economically upgrade end of life steel scrap to high-quality feedstock with low copper contamination

Seeking innovative methods to retrofit houses to make the structure stronger to survive high magnitude earthquakes & typhoon force winds

Seeking innovations to improve the collection, transportation and segregation of construction and demolition waste, with a focus on India.