Those chess grandmasters study the same books and tables extensively.
Not while playing.
Research is too important a matter to entrust the politicians with.
I don’t know if the biodegradable bags make people sick but at least the ones I know smell strong...
AFAIK, people in Western Europe mostly use reusable bags now, and the single use ones are now sold by the supermarkets as well. I suspect this plastic bag ban story was mainly a commercial coup from the distribution sector, the politicians being cheated, like usual when they are not cheating
The true challenge now is to get rid of the overwhelming plastic packaging (mineral water bottles, milk bottles, blisters and all sorts of superfluous PVC/PET etc.) While we are almost forced to buy that crap which often ends up amidst nature, free plastic bags were only a small component of this tremendous pollution. In France for instance the recycling rate of plastic altogether is only 24%.