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:

More on Energy Transition
See all

From rivalry to resilience: Geopolitics in the green transition

Network of the Global Future Councils and Kaiser Kuo

November 4, 2025

Energy tech and digital intelligence key to scaling progress on Paris climate goals

1:41

About us

Engage with us

Quick links

Language editions

Privacy Policy & Terms of Service

Sitemap

© 2025 World Economic Forum