What are pollinators and how do they 'hold entire ecosystems together'? We explain.

Beautiful, diverse, ephemeral and mysterious.

Those were just some of the words Micah Kloppenburg used to describe pollinators. Kloppenburg has been particularly engaged this week; he's a pollinator habitat specialist at the Xerces Society for Invertebrate Conservation, and "pollinator week" runs through Sunday.

But for scientists like Kloppenburg, pollinators have his attention every week.