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Berry Creative designs Climate Change stamps with heat-reactive ink

Berry Creative designs Climate Change stamps with heat-reactive ink

These stamps by Finnish studio Berry Creative feature images of birds and snow clouds that turn into skeletons and thunderstorms when heated to send a message about the consequences of climate change.

Commissioned by the Finnish Post, the Climate Change Stamps aim to offer an innovative way of communicating the negative effects that rising temperatures will have on Finland.

Berry Creative designs Climate Change stamps with heat-reactive ink
Berry Creative’s stamps aim to raise awareness on climate change

The stamps feature three base designs: a snow cloud, a depiction of limited immigration, and a bird. These images are printed as black silhouettes against coloured gradient backgrounds.

Printed in colour-transforming ink that reacts to heat, these symbols change from black to clear when warmed up by being rubbed with a finger, revealing additional designs underneath.

Berry Creative designs Climate Change stamps with heat-reactive ink
The stamps are printed with heat-reactive ink

The snow cloud transforms into a thunderstorm to represent the loss of winter snowfall, while the depiction of immigration turns to mass migration as climate refugees are forced to leave their homes and relocate.

The bird is also made to turn into a skeleton, as a representation of the extinction of many of Finland’s native species.

These hidden images reveal what the future will look like “if we don’t act fast to fight climate change”.

“Unlike the effect in the stamp, climate change is not reversible,” said the studio.

Berry Creative designs Climate Change stamps with heat-reactive ink
When heated with a finger, the stamps reveal hidden images

As the studio explained, the stamps each have jagged edges and eye-catching colour gradients in order to create a sense of urgency.

“I wanted to play on very alarming imagery,” creative director of Berry Creative Timo Berry told Dezeen.

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