Climate

Medellín turned green to stay cool, but heat rose faster.

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Based on a feed excerpt; full article content has not been acquired. Source evidence retrieved 08/10/2026, 13:43:24 UTC.

Briefings

Medellín launched a 18-year tree-planting initiative in 2008 targeting 880,000 trees, with the Green Corridors project adding 18 roads and 12 waterways since 2016. However, heat stress has intensified since the official El Niño declaration, with May and July 2026 recording the hottest temperatures on record. A major inequality exists: the southern, wealthier Villa Sofía neighborhood lacks shade despite high temperatures, while the north has more trees. Experts warn that despite international acclaim, the city has not addressed climate change sufficiently, leaving vulnerable populations exposed to extreme heat.

Key points

• Since 2016, the Green Corridors project has converted 18 roads and 12 waterways into tree-lined green spaces in Medellín.
• The Villa Sofía neighborhood, located in the north, lacks green corridors despite experiencing the highest temperatures in May and July 2026.

Context and limitations

Data is limited to specific neighborhoods and road projects; coverage excludes the broader metropolitan area and future climate projections.

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