HEIDI VELLA
Heidi Vella is a freelance energy and technology journalist based in London. Her interests include smart cities, clean energy, emerging markets and technology innovation. Prior to working freelance, Heidi spent four years’ covering all things technology and energy-related for London-based Progressive Digital Media.
heidivella@hotmail.com | 
@Heidivel
MOST POPULAR STORIES
-
1
-
2
-
3
-
4
-
5
TRENDING TOPICS
MORE ON SMART CITIES
How to build a smart city – the blueprint
Aggregating, automating and augmenting AI for SG's smart city
Google helped India build 400 wi-fi-enabled train stations
