All participants add their ideas, inspired by virtual events held around the world by local organizers in each city. The city with the most ideas will receive the award for the most creative city.
All areas, cities, rural, but especially vulnerable low lying areas
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Map all river courses with one of these (above).
Use it to measure gradients/thermal variables etc and develop software that shows what structures are below the flood lines and where the ecology of wetlands and estuaries are lacking ecological integrity. And use all this data to map scenarios of how different levels of rainfall will flow through water systems.
Flood resilience