"It's not a matter of the heart, it's a question of reason"
Former French Socialist Prime Minister
"The European Union is not going to survive"
Former UKIP leader
"We have to adapt and we also have to take our own responsibility but it is up to the politicians, to those who have political responsibility to create an environment to make that possible"
"Even the SNP are uncertain about which way to go with regards to Europe"
Lecturer at Edinburgh University
"June 23 was not the moment Britain chose to step back from the world. It was the moment we chose to build a truly Global Britain"
British Prime Minister
"Is there anyone that believes that North Korea would agree to a ban on nuclear weapons?"
US ambassador to the United Nations
Q&A: What can the air travel industry do to reduce noise pollution?
We asked Sharon Mahony, expert in collaborative environmental management at EUROCONTROL what the air travel industry could do to reduce noise pollution and what factors influence those decisions.