Birmingham Airport has called on the UK government to charge busier airports and give tax breaks to those with spare capacity.
Auckland Airport is to host a week of workshops for airport staff to learn more about Chinese visitors to New Zealand.
Copenhagen Airport is introducing self-service bag drop facilities, which will make check-in even easier for passengers at the airport while also reducing airline costs.
Melbourne Airport has announced plans to build a third runway as passenger numbers more than double over the next 20 years.
The global duty free and travel retail industry is on target to achieve projected annual sales of $64 billion by 2015, with Asia-Pacific leading the way, according to the Tax Free World Association (TFWA).
(UPDATED MAY 20) Follow the latest passenger number updates for April with our live traffic blog. Latest airports: Hong Kong, Melbourne, Oslo.
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