♦ REGISTRY: 15 RECORDS ♦ FAILURES DOCUMENTED: 5 ♦ RUBRIC v1.0 ♦ LAST VERIFICATION 2026-08-16

Records

STATUS SHARE · ALL RECORDS

15 RECORDS · LAST VERIFIED 2026-08-16

CLASS

STATUS

EVIDENCE

15 OF 15 SHOWN

REFRECORDCLASSTRANSFERABILITYEVIDSTATUSVERIFIED

C4P-CIR-0001Recycled concrete procurement for public buildings, City of Zurich: minimum-content specification since 2005 with published uptakeCIRCULARCHE3● operating2026-08-13 C4P-CIR-0002Municipal curbside materials recovery (Blue Cart program), Chicago, United States: household diversion stalled near 9 percent across two contract generationsCIRCULARUSE3◐ degraded2026-08-13 C4P-CIR-0003Mandatory three-stream source separation (Ordinance 100-09), San Francisco: the 80 percent diversion headline and the measures that replaced itCIRCULARUSE3◐ degraded2026-08-16 C4P-CIR-0004Municipal curbside recycling collection (City of Deltona), Florida: suspended after the 2018 China National Sword price collapse and not restoredCIRCULARUSE4○ discontinued political2026-08-16 C4P-CST-0001Manila Baywalk dolomite beach nourishment, Manila Bay Rehabilitation Program, PhilippinesCOASTALPHE4◐ unmeasured2026-08-07 C4P-CST-0002Post-tsunami mangrove planting, Sri Lanka: zero survival at 54% of planting attempts nationwideCOASTALLKE2○ failed technical2026-08-13 C4P-CST-0003Seed-based eelgrass restoration in the Virginia coastal bays, United States: 213 hectares seeded, 3,612 hectares mapped in 2018COASTALUSE3● operating2026-08-16 C4P-CST-0004Mid-Barataria Sediment Diversion, Louisiana: a USD 2.92 billion estuarine wetland restoration terminated during construction by state decisionCOASTALUSE4○ discontinued political2026-08-16 C4P-URB-0001Medellin Green Corridors: conversion of 30 road and stream corridors to multi-layer urban vegetation, 2016 to presentURBAN HEATCOE3● operating2026-08-07 C4P-URB-0002City heat action plan with early warning, health-system preparation and cool roofs (Ahmedabad, India): estimated 1,190 avoided deaths per year in the first evaluated seasonsURBAN HEATINE2● operating2026-08-13 C4P-URB-0003Million Trees LA canopy initiative, United States: a one-million-tree pledge ended at the 2013 mayoral transition with a reported 407,000 plantedURBAN HEATUSE2○ discontinued political2026-08-13 C4P-URB-0004White reflective roof coating at municipal scale (NYC CoolRoofs), New York City: delivery since 2009, and the albedo the coating does not holdURBAN HEATUSE4● operating2026-08-16 C4P-WTR-0001Community-managed decentralized wastewater treatment (SANIMAS), Indonesia: post-handover disuse at national scaleWATERIDE2○ failed social2026-08-07 C4P-WTR-0002Municipal wastewater treatment through oxidation ponds and constructed wetlands (Arcata Marsh), California: four decades of operation at council scaleWATERUSE3● operating2026-08-13 C4P-WTR-0003Urban stormwater harvested into a drinking water dam (Blackmans Swamp Creek and Ploughmans Creek), Orange, New South Wales: council-scale operation since 2009 under contested licencesWATERAUE3● operating2026-08-16

change4planet is a working record of environmental interventions that have actually been deployed: what they cost, what they achieved, what went wrong, and where else they could work.

Records are working documents. Check the verification date before citing.