These global warming hourglasses by Ferdi Rizkiyanto feature tiny worlds to indicate the precious resources we must preserve. There's the metropolis, with birds soaring among the skyscrapers, a series of tree stumps, traffic-clogged streets, and a gas station. Above that, there's a series of melting glaciers, with a penguin and a polar bear each stranded on their own iceberg.
Ferdi Rizkiyanto's global warming hourglasses shed light on our current practices. Check out some other insightful global warming awareness designs below.
Global Warming Hourglasses
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Melting Polar Bears
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