All videos

Helsinki’s Hot Heart Project Will Heat The City Renewably

Currently, Helsinki’s heating systems are heavily reliant on coal. When it’s finished in 2028, the Hot Heart project will cover the city’s entire heating needs at a 10% lower cost than today. Hot Heart project creator Carlo Ratti is a specialist in designs that incorporate nature. Previously he remodeled an Italian farmhouse around a 60-year-old tree. Carlo Ratti’s Hot Heart is one of UpLink’s BiodiverCities Top Innovators. Watch for more.

Topics:
Energy Transition
Share:
World Economic Forum logo

Forum Stories newsletter

Bringing you weekly curated insights and analysis on the global issues that matter.

Subscribe today

More on Energy Transition
See all

How shared standards can help businesses and governments master the energy nexus

Lauren Smart and John Morrison

February 20, 2026

How state-owned enterprises can play a vital role in meeting global net zero targets

About us

Engage with us

Quick links

Language editions

Privacy Policy & Terms of Service

Sitemap

© 2026 World Economic Forum