Pando has been regrowing itself from the same root system for somewhere between 16,000 and 80,000 years. That range is not a rounding error, and researchers still cannot narrow it.
After the 1995 floods forced 250,000 people to evacuate, the Netherlands stopped raising its dikes and instead spent €2.3 billion giving its rivers more room. Here is how the Room for the River program actually worked — and what happened when the water came back in 2021.
After a 1991 cyclone killed roughly 138,000 people, Bangladesh planted around 200,000 hectares of salt-tolerant keora mangroves along its Bay of Bengal coast. When a comparable storm hit in 2007, the death toll fell to about 3,500.
China's Loess Plateau shed roughly 1.6 billion tonnes of silt a year into the Yellow River for millennia. Then Grain-for-Green, check dams and terracing cut that discharge by nearly 30 billion tonnes cumulatively in two decades — with hydrological costs that are still being counted.
Twenty metres under a Romanian wheatfield, Movile Cave holds 35 species found nowhere else on Earth — a food web powered by bacteria that eat hydrogen sulphide instead of sunlight, sealed off from the surface for roughly 5.5 million years.
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