The only way the greens could have Salmonella is if the Salmonella was already in the greens when the package was sealed - or if the packaging itself was contaminated. Salmonella can grow on the plant juices.
To keep it fresh
any that are sealed in their oringinal plastic bags
we can destroy plastic bags by recycling.
A plastic bag sealer seals plastic bags to an airtight condition and prevent food from going off too quickly. They are usually handheld machines and once sealed the food will stay fresh longer.
I saw these bags that are vacuum sealed, they are called space bags I think, and they compress whatever you put in them, and make it flat. You could try those, or those little plastic dressers.
Plastic shipping bags are still being made. Biodegradable plastic and degradable plastic bags are much friendlier to the environment than just regular plastic bags.
Plastic bags can support more weight but paper bags can support more items
bags that hold evidence. they are air sealed and they are used by authorities
Plastic bags are made out of one kind of oil which is patrol.
Plastic can easily be reduced by using reusable bags.
many plastic bags
No, if they are PLASTIC bags they cant be made of dolphins