Ukrainian chef Yevhen Klopotenko spent years researching his homeland’s foodways in the wake of Soviet erasure. Now he wants to share them with the world.

Food that would normally get thrown out at the end of the day will now be offered at a discounted price at participating restaurants, bakeries and grocery stores.

Not all plants can be stored in a seed bank. Cryopreservation offers an alternative, but critics question whether this form of conservation will work.