It's a really hard problem that big companies show no signs of helping to solve because they have no economic interest in doing so. They use whatever packaging

It's a really hard problem that big companies show no signs of helping to solve because they have no economic interest in doing so. They use whatever packaging helps their short-term profits without consideration of long-term environmental damage. It's a typical externalities problem - the full cost of using some types of packaging is not paid by the one doing the packaging.