wow factor

Explain this to the kid, in an optimistic manner.

NOAA - National Oceanic and Atmospheric Administration

Climate Change Largely Irreversible

The scientists emphasize that increases in CO₂ that occur in this century “lock in” sea level rise that would slowly follow in the next 1,000 years. Considering just the expansion of warming ocean waters—without melting glaciers and polar ice sheets—the authors find that the irreversible global average sea level rise by the year 3000 would be at least 1.3–3.2 feet (0.4–1.0 meter) if CO₂ peaks at 600 parts per million, and double that amount if CO₂ peaks at 1,000 parts per million.

I can hear the skeptics..why waste money, it's going to happen anyhow, party on!.
Explain that to Pacific Island Nations, freaked at the idea of a couple of inches, and already looking to move their whole country to higher ground.