Conservation Value Institute

Saw my first golden crowned sparrow of the season yesterday evening on the ground below our bird feeder, freshly arrived from its summer grounds up in the tundra.
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I maintain a backyard naturalist observations spreadsheet, and following nature’s clock, they (along with white crowned and white throated sparrows) return the same week every year. They’ll be here until April 25 or so…
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Golden-crowned Sparrow Overview, All About Birds, Cornell Lab of Ornithology The large, handsome Golden-crowned Sparrow is a common bird of weedy or shrubby lowlands and city edges in winter along the Pacific coast. Though it’s familiar to many during winter, Golden-crowned Sparrows vanish for the summer into tundra and shrublands from British Columbia to Alaska, where lit...

Native California wildflowers out now in Marin - favorites Yellow Mariposa Lily and Cardinal Catchfly, as well as California milkwort and pink honeysuckle (a vine)

New research shows how more trees could cut ER visits in heatwaves:
A team of heat experts known as L.A. Urban Cooling Collaborative calculated exactly how much of a difference low-tech solutions like trees & white paint could make in an overheating world.

New research shows how more trees could cut ER visits in heatwaves A team of heat experts known as Los Angeles Urban Cooling Collaborative calculated exactly how much of a difference low-tech solutions like trees and white paint could make in an overheating world.

The future holds many, many more EV batteries. And therein lies a solution to grid storage: A new study suggests vehicle-to-grid technology and reused old EV batteries could meet all of the EU’s need for battery storage—and then some.

The future holds many, many more EV batteries. And therein lies a solution to grid storage. A new study suggests vehicle-to-grid technology and reused old EV batteries could meet all of the EU’s need for battery storage—and then some.