It’s funny because the concept of sustainability is thought to come from field of forestry. Around the year 1700, Carl von Carlowitz described the concept of sustainable forestry.
Veins provide support for the leaf and transport both water and minerals (via xylem) and food energy (via phloem) through the leaf and on to the rest of the plant.
A vasa recta is not associated with the renal corpuscle, whereas a podocyte, a fenestrated capillary, and an efferent arteriole are.