Using a drug called Bliss Verminous Skumm turns people into drug addict zombies. He even manages to trick Linka into taking the drug and becoming his slave. But without h ...

Dr. Helix, a scientist Gi is a fan of, appears to have found a solution for oil-spills by placing his invented substance in water where it absorbs the oil. Sly Sludge dec ...

While Ma-Ti and Wheeler visit Ma-Ti's village in the Amazon, they learn a man called Baron Giftus promises to show the countries of the world a solution to Earth's air-po ...

On Moghal Island, Looten Plunder plans to open a factory and hires Dr. Blight to use her cloning-ray to give him many workers so he won't have to pay them much. The Plane ...

Gi tells Ma-Ti the shark he thought was attacking him during their swim on vacation was a plant-eater, but a Florida Keys local overhears and misunderstands part of their ...

The Planeteers are trying to save the tigers whose habitat is being destroyed by Greedly and Blight, when suddenly they are abducted by an alien who collects endangered a ...

Professor Apollo invents a solar beam which can power anything, but Duke Nukem steals the beam and converts it into a deadly radiation ray to power himself. The Planeteer ...

Hoggish Greedly introduces dynamite-fishing to the Philippines, since fishing by placing explosives in the water quickly kills fish...and is the perfect cover for him to ...

In San Francisco, many are falling sick to poisonings of what look like various toxins and chemicals. The Planeteers go to investigate. Ma-Ti's obsession for old mystery ...

The Planeteers get shrunk to microscopic size and put into polluted water, which Kwame drinks. They battle hideous water-borne parasites in Kwame's body so that he can re ...

The Planeteers visit an organic farm to see how natural insect-repellents are used on crops, but Joe, a neighboring illiterate farmer too ashamed to admit he can't read, ...

While touring the desert, Ma-Ti is surprised how many animals live there - but is even more shocked to see that it's the spot Hoggish Greedly has chosen for his off-road ...

During a boating voyage, Hoggish Greedly and Verminous Skumm land on the Galapagos Islands after Greedly accidentally knocks a toxin over Skumm's rats, causing them to gr ...

After rescuing George, a miner whose leg is caught in an area under construction, the Planeteers are horrified to see how strip-mining is used for finding minerals, provi ...

An Australian town has an extreme amount of air-pollution, despite its excellent subway system, the Blue Car Line. The Planeteers go to investigate and meet a local journ ...

Linka and Ma-Ti go to visit his ornithologist friend Juan in Central America, and explore a valley of many birds with Juan's parrot, El Profesor. However, he and all the ...

Zarm joins forces with Hoggish Greedly, Looten Plunder, Sly Sludge, Duke Nukem, Verminous Skumm, and Dr. Blight. Zarm tricks the Planeteers into giving up their rings and ...

The Planeteers break from Zarm's ship as 10 years have passed. They hurry to find Commander Clash before Gaia ages into dust. When they find him, the Planeteers and Comma ...

Kwame takes the Planeteers to Africa to meet Dr. Mabutu, who is experiencing trouble on his game ranch. The trouble is Dr. Blight's experiments that turn ordinary cattle ...

Vacationing in Mexico City with the other Planeteers, Wheeler is put off by the many lower-classmen he sees. But when an earthquake strikes, they go north to Santa Teresa ...

Hoggish Greedly uses a large machine to uproot trees from the ground and grind them at the same time so he can have a quick, easy supply of wood to sell furniture. The Pl ...

A roofless dictator decimates the land to fight the opposition, with total disregard to the environment and human life. But there is more to the story than meets the eye. ...

Venice's population is relocating due to its pollution and smog affecting the land and structures - but also because of a large mutated group of rats whose bites sicken t ...

Sly Sludge and Duke Nukem dump toxic waste in the Amazon rain forest, imperiling Ma-Ti's village. Ma-Ti returns to the village with Planeteers and find it in flames. When ...

Looten Plunder leads a whaling operation with Dr. Blight aboard attempting to concoct the perfect poison, and the Planeteers are enraged to see that it is legal for him t ...

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