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Spying on Beavers From Space Could Help Save California

For the first time in four centuries, it’s good to be a beaver. Long persecuted for their pelts and reviled as pests, the dam-building rodents are today hailed by scientists as ecological saviors. Their ponds and wetlands store water in the face of drought, filter out pollutants, furnish habitat for endangered species, and fight wildfires. In California, Castor canadensis is so prized that the state recently committed millions to its restoration.

20th Century Dam Building Found to Have Offset Sea Level Rise

An international team of researchers has found that dam building in the 20th century offset some of the factors that would have led to a higher rise in sea levels. In their paper published in the journal Nature, the group describes their study of the factors that have led to a rise in global sea levels and what they learned.