sustainability
A collection of Sessions on the topic of sustainability. 
Ari Kestin, Marius Rostad
The C Word Will Change Delivery Services Forever
Erwin van Laethem
Resolving Issues in Energy Transition
Marie Noelle Keijzer
Can the Crowd Halt Global Warming?
Carl Malbrain
How Crowds Could Disrupt the Old Energy Paradigm
Julian Petrin
Crowdsourcing Cities: Urban Planning Reinvented
Roberto Esposito
The Past, Present and Future of Civic Crowdfunding
Annemie Turtelboom