The.delta where the Colorado River meets the Gulf of California once supported unique and bountiful ecosystems. As dams and irrigation projects diverted water to American cities and Mexican farms through the 20th century, much of this vanished. Starting in 2014, carefully timed releases of river water and restoration projects have produced the beginnings of an ecological revival, scientists say. Tides with a range of up to 30 feet create a lacework of channels. San Luis Río Colorado, Sonora, Mexico.
© 2020 GEORGE STEINMETZ
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