You can donate your corks and synthetic bottletops to the France Cancer association which recycles them to collect funds. Consult France Cancer to find all the collection points.
[su_button url="https://www.canneslerins-infotri.fr/geoloc/index.php" target="blank" style="flat" background="#2f8bb2" size="4" radius="5"]Find your voluntary drop-off point[/su_button]