Check out all the promising solutions featured in the pilot, beta round of Shared Nation.
Here is this round's winning project!
All Projects:

Artificial Leaf: Using artificial photosynthesis to produce clean energy
Artificial Leaf: Using artificial photosynthesis to produce clean energy

Bee Buffer Project: Protecting the honeybees that pollinate and produce
Bee Buffer Project: Protecting the honeybees that pollinate and produce

Calwave NEW
Calwave NEW

Calwave: Converting waves into electricity and clean water
Calwave: Converting waves into electricity and clean water

Desolenator: Creating clean water from saltwater using sunlight
Desolenator: Creating clean water from saltwater using sunlight

NanoClay: Turning sandy soil into fertile soil
NanoClay: Turning sandy soil into fertile soil

ReMooable: Sustainable fuel from animal biogas
ReMooable: Sustainable fuel from animal biogas

Solar Sister: Eradicating energy poverty by empowering women
Solar Sister: Eradicating energy poverty by empowering women

Support the Creation of the Largest Marine Sanctuary
Support the Creation of the Largest Marine Sanctuary

The Sexy Plant
The Sexy Plant

Underground Farms: The future of urban agriculture
Underground Farms: The future of urban agriculture