"Airport expansion" refers to the process of making an airport larger by adding more facilities such as runways, buildings, or terminals, to accommodate an increased number of flights and passengers. Full definition
The question of airport expansion in the south - east remains unanswered, as ministers put off coming up with proposals until the autumn. (politics.co.uk)
At the same time, the government defends airport expansion in terms of personal choice. (politics.co.uk)
They argue airport expansion is at odds with the government's claims to be acting on climate change. (politics.co.uk)