From 150 Ideas to 15 Finalists: Over the last month, citizens from across Athens submitted over 150 proposals for new pocket parks, vertical gardens, and cool roofs. We have been overwhelmed by the creativity and passion for a greener city. Technical Validation Complete Our engineers have reviewed every single proposal. We filtered out those that were technically impossible (e.g., due to underground metro lines) or exceeded the budget. We are left with 15 solid, actionable projects ready for …