Most uses of plastic do not have a reasonable alternative. Glass and metal have properties similar to plastic but require more energy to produce, more material and are heavier which increases freight costs.
Pretty much. We need better alternatives! Better in many ways. Cheap to mass produce, convenient to use, must be reusable, has to be light, has to be biodegradable, should not dissolve after a while (like these cardboard boxes they put my food in).
