Interesting facts The Brazilian city that was once called the Valley of Death made it to the list of the most polluted in the world and later transformed into an industrial powerhouse that now concentrates chemicals, steel, energy, and one of the most radical turnarounds in the country. Ana Alice 20/04/2026 at 22:11
Science and Technology World’s Most Polluted City, New Delhi Tries Cloud Seeding to Breathe, Launches Artificial Rain Experiment, Faces Stifling Air and Extreme Heat, Becomes Portrait of Environmental Collapse Featured in Documentary Carla Teles 30/12/2025 at 19:44
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