Green Technologies is a national project that decreases the pollution created from manufacturing improvements by 25%, and reduces pollution from farms by 50%. It increases the effectiveness of subways at reducing pollution by +25, and reduces resource production upkeep costs by 10%. It requires the Urban Planning and Space Program national projects to be built first.
This project costs $100,000,000, 10,000 Iron 
, 10,000 Steel 
, 10,000 Aluminum 
and 250,000 Food 
.