Inagrid
TodayArchiveRandom gridWaffle lab

Credit the grid when you share it.

© petralian.comContactWaffle labHKSBA

Quiz on · 2026-05-30

Methane leaks from energy, cows, and wetlands

CH₄ warms fast over decades. Fossil fuel operations, livestock, and rice paddies top human-linked sources.

Quiz mode is on. Drag each color onto a name. The labeled grid unlocks when you reveal your score.

Drag a color onto a name — or tap a color, then a name. Move it again if you change your mind.

Colors to place