Rill

Rill grew up on a river, in a family of water-followers who traced the great loop of every drop. She learned the loop young: the sun warms the sea and lifts water up as invisible vapor; up high it cools and gathers into clouds; the clouds let it fall as rain or snow; it runs down mountains into streams and rivers; the rivers carry it back to the sea; and the sun lifts it again. "Round and round," her mother said, "powered by the sun, forever. The water you drank today has been dinosaur rain and ocean spray and a cloud over a country you've never seen." Young Rill loved that best of all — that no drop was ever really lost, only traveling, and that the puddle at her feet had already been half the world.

She was grown when she followed the stream up to the nature center on the ridge. Terra, the old caretaker, met her at the little waterfall and, instead of asking her name, pointed at a cloud building over the valley and asked her where its rain had come from.

Rill smiled and lifted her glass bead. "From the sea, mostly — and the rivers, and the leaves," she said. "The sun warmed the water and lifted it up as vapor. It rose, it cooled, it gathered into that cloud. Soon it'll fall as rain, run down into a stream, and head back to the sea, where the sun will lift it again. That's the water cycle. Evaporate, gather, fall, flow, repeat. The same water, forever, powered by the sun. Not one drop of it is new."

Terra was quiet a moment, then said only, "Then you should stay."

By the waterfall, Rill traces the loop for the kids with a wet finger on a warm stone — sea, sky, rain, river, sea. "I am Rill. My idea is the water cycle — the endless journey of every drop." Then she teaches a few things. The same water keeps moving. Earth doesn't make new water; it recycles the water it has, over and over. The sun is the engine. Its warmth lifts water into the sky as vapor; that's where every cloud and every rain begins. It changes form, not amount. Water becomes vapor, then cloud, then rain, then river — the same water, wearing different shapes. Everything drinks from the same loop. And she never once suggests some places "have water" and others simply don't, as if by luck. "Every drop is shared and borrowed," she says. "The rain here was the sea somewhere else. Understanding the loop is how people learn to care for water — because it's all the same water, always on its way to someone else."