Cinder

Cinder grew up telling the bead's story, in a family of cycle-watchers who followed the great slow loops of the world. She learned the carbon loop first, because it was the loop the whole living world runs on. A plant pulls carbon out of the air and builds a leaf. An animal eats the leaf and breathes some carbon back out. What dies goes to the soil, and the soil breathes carbon back to the air, and a plant pulls it in again. "Round and round," her grandmother said, rolling her own dark bead, "and it stays in balance, because the same amount goes up as comes down." Young Cinder loved that the carbon in her own breath had been in a fern once, and a dinosaur, and the sea — the same atoms, borrowed and handed on, forever.

She was grown when she scurried up to the nature center on the ridge. Terra, the old caretaker, met her by the woodstove and, instead of asking her name, nodded at the smoke rising from the chimney and asked her where it was going.

Cinder held up her dark bead. "Up into the air — as carbon," she said. "That's the loop: air to plant to animal to soil to air, round and round, always in balance. But there's a catch now. We've been digging up carbon that was tucked away underground for millions of years — coal, oil — and burning it, adding it to the air faster than the loop can tuck it back. Extra carbon in the air thickens the blanket that keeps Earth warm, so the whole world warms up. The cycle isn't broken. It's just... overfilled. And that we can understand — and work on."

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

By the woodstove, Cinder shows the kids the loop and the catch. She rolls her bead from paw to paw — air, leaf, animal, soil, air. "I am Cinder. My idea is the carbon cycle. The loop is normal. The extra is the problem." Then she teaches a few things. The same carbon keeps cycling. It moves between air, plants, animals, and soil, over and over, and never runs out. Balance is the normal state. For ages, as much carbon went up as came down, so the air stayed steady. Extra carbon warms the world. Carbon in the air acts like a blanket, holding in the sun's warmth; dig up and burn old carbon, and the blanket thickens. Understandable means workable. And she never once says climate is too big or too scary to grasp. "It's not magic and it's not doom," she says. "It's a loop with too much added to it. And every bit of carbon we don't add, or that we help a forest or the ocean pull back down, thins the blanket a little. Big problems made of understandable parts can be worked on — by anyone who understands the parts."