A “deviation” form the issue of biodegradable chewing gum is the controversy about taxes applied to the product.
Some politicians claim that, as one can find chewing gum stuck everywhere on the streets, and this cost money to remove, then a tax should be imposed on the sale of gum. The money collected from this tax will be “supposedly” used to clean the streets. The issue was on the news some time ago in relation to Ireland and Wales. Now, two more news appeared recently with the same discussion, this time related to Mexico and Northern Ireland (see links from Confectionerynews.com below). As many of you may already know, Singapore is the only country where chewing gum is officially banned, except for those with health claims, which can be sold in pharmacies.
Wrigley is the strongest fighter against those policies and supports educational programs instead of taxes (which reach 50% on top of the retail price in case of Mexico!).
So I guess until nobody finds a successful biodegradable chewing gum (or should I say simply “degradable chewing gum”?), we will find these type of discussions here and there.