A public meeting will be held in West London this evening to address concerns over plans to expand Heathrow.
Those behind the gathering say a third runway will be have a major impact on those living close to the site, and under flight paths.
They've launched a new petition calling for the proposal to be scrapped.
A consultation on Heathrow is open until the 13th of September.
The airport has vowed to do what it can to limit noise pollution and the impact on the environment and those living nearby.