Draw it: CFC consumption: World, 1986–2020

Practice · Draw

CFC consumption · World

Use of chlorofluorocarbons, weighted by how much each one damages the ozone layer.

ozone-depleting tonnes · 1986–2020

Use left and right arrows to pick a year, up and down arrows to set its value, Page Up and Page Down for bigger steps and Enter to lock in.

Drag across the grid to draw the curve. The first point is given.

CFC consumption: World, 1986–2020