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Human Worlds

S1 E5 / 55m 55s / TV-PG
Sir David Attenborough reveals how humans are helping plants, many of which face extinction. From projects in Africa to re-seeding the landscape to rebuilding a Brazilian rainforest tree by tree, everyone can work to make our world a little wilder.
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Desert Worlds

S1 E4 / 55m 55s / TV-PG
Sir David Attenborough explores the hostile world of the desert, where plants can spend decades waiting for rain or travel to find it. Survival tactics include using weapons, camouflage and forming surprising alliances with animals.
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Seasonal Worlds

S1 E3 / 55m 55s / TV-PG
Sir David Attenborough reveals the surprising and dramatic effects of the four seasons on plant life. In order to survive the huge challenges each season presents, plants must use strategy, deception and remarkable feats of engineering.
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Water Worlds

S1 E2 / 55m 55s / TV-PG
Sir David Attenborough explores bizarre and beautiful water plants, which use nature's super-glue, counting, and killer spikes to get a leaf up. Some escape from animals by rolling away while others create bubbles in a magical river in Brazil.
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