In the The Vigneron’s Struggle section, Lutte Raisonnée / Lutte Intégrée isn't an officially recognized farming practice anymore. While some may still practice it, the HVE (Haut Valeur Environmentale) certification is now the official sustainability certification. There is another one that mostly done in Champagne, but this is the one pushed by the French Ministry of Agriculture (https://agriculture.gouv.fr/hev-certification).
Champagne has the Sustainable Viticulture in Champagne (VDC) certification - https://www.champagne.fr/en/the-commitments-in-champagne. Also, in 2017, the Marne départment had the 2nd highest amount of HVE-certified farms (193) behind the Gironde départment (212). From what I can tell the VDC certification is meant to be a stricter certification. Also, VDC is specific to Champagne whereas HVE (HEV in English) is all agriculture. For the départments that make up Burgundy, there were only 29 HVE-certifed farms. The Ministry doesn't seem to have more up-to-date number easily found on their website, but I suspect that there are many more than 29 in the Burgundy region now, but adoption of HVE is probably still lagging behind there. I can say, though, that of the close to 300 French wines I have, the vast majority of HVE is from Bordeaux. Especially since most of my vintages are 2019 and earlier anyway.
Correction: 2020 vintage and earlier for my French wines. I haven't seen a lot of HVE logos on Champagne bottles, and no VDC logos), so while the farm may have it, due to the nature of how NV Champagnes are multi-vintage and themes recent vintage I have is 2015, it's going to be awhile before those logos start becoming noticeable.