Leah Messinger

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Napa County Breeding Birds Atlas

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How many people does it take to figure out the number of bird species that breed in Napa County? For the Napa-Solano Audubon Society (NSAS), all it took was some 70 volunteers, most of whom surveyed separate 5-kilometer plots between … Read more

MDIA Diablo Map Update

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Also recently updated is the Trail Map of Mount Diablo State Park, published by the Mount Diablo Interpretive Association (MDIA). Now in its fifth edition, this digitally produced map highlights new public land acquisitions (of several thousands of acres) and … Read more

Contra Costa Transit Vote

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Have you noticed that it takes longer to get to the mountain these days? Traffic congestion has become a big issue in Contra Costa County, and soon residents there will have a chance to do something about it. In early … Read more

California Wildlands Grassroots Fund

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For small, locally based environmental groups, finding the resources to engage governmental agencies and conduct compelling scientific research can be difficult, but this could change thanks to two different funding initiatives dedicated exclusively to assisting grassroots environmental initiatives in California. … Read more

Altamont Wind Resources Area

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As migrating shorebirds pass through Northern California, environmentalists hope they don’t meet the same fate as the hundreds of raptors that perish each year at Altamont Pass in Livermore. More than 40 golden eagles, up to 300 red-tailed hawks, up … Read more

Stavocet/Avostilt

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While you’re exploring the Bay Area this fall, keep your eyes open for the new bird on the Bay. Ten years after Jim Rosso’s initial sighting, San Francisco Bay Bird Observatory Intern Biologist Robin Dakin and photographer David Cardinal recently … Read more

State of the Estuary

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The past two decades have witnessed an explosion of scientific studies of the San Francisco Bay estuary, vastly improving our understanding of its natural history and ecology. Every two years the San Francisco Estuary Project brings together researchers, government officials, … Read more

Ocean Awareness Campaign

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As thousands of monarchs return to the protection of the California State Park system, a coalition of marine conservation organizations wants to remind Americans that less than one percent of the world’s ocean waters benefit from such government-administered refuges. The … Read more

Monarch Day at Natural Bridges

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To see slightly more diminutive returning migrants, head south on Sunday, October 12, for Welcome Back Monarchs Day at Natural Bridges State Beach in Santa Cruz. By mid-October, the butterflies have begun to arrive from as far away as 2,000 … Read more

Marine Sonar Controversy

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Marine reserves would probably not protect whales and other ocean mammals from the severe acoustic trauma of submarine-detecting Low-Frequency Active (LFA) sonar—which transmits sounds of up to 215 decibels. The good news on this front is the recent decision by … Read more