And having everyone pay a price for the carbon they emit is the best way to do that: it would spur low-carbon innovation and limit emissions. But this isn't happening fast enough anywhere - and in many cases, it's not happening at all.

Brands can lead by choosing to measure, offset, and reduce their emissions.

Every company in the world should know its carbon footprint. Every company should invest in offsetting and reducing that footprint. Every consumer should be able to pick brands that take responsibility for their carbon emissions.

When that happens, we'll see investment into solutions at a scale that can restore the climate.