[captioning made possible by kcet television] >> paul kirika is one of kenya's leading botanists, who has discovered several new plant species, plants whose seeds are stored at kenya's national gene bank. >> hi, jalil, how are you? >> how are you? >> oh, i'm fine and you? we have to wear this? >> we have to wear this, we're going in the cold room. >> okay. because of the changing landscapes, extension of agriculture, building of new highways, it is expected that there are many plants there in the wild we are losing and that we may not know and it's initiatives like the seed collection that would save these plants. >> code number is gbk-456001. >> 456001? >> yes. >> at the gene bank, seeds from some of kenya's most endangered plant species are preserved at minus 18 degrees celsius. >> 303, gbk-303. >> a global initiative spanning 50 countries is underway to collect and safeguard seeds from species faced with extinction. tim pearce is one of the project coordinators from kew gardens in london. >> we've all heard about the...the red list of endangered animals, the panda and the tiger. bu