In this episode we had as a guest Ruud Ummels, the managing Director at To70, a Dutch aviation consulting company. We discussed the following topics:

• Brief introduction of To70
• Scope of work: strategy and execution
• Sustainability share in the work of To70
• Main clients of To70 
• A-CDM for railway transport and lessons learned
• ACI and CANSO membership
• To70 and ATM in general in 5 & 50 years from now