For approximately four seconds on April 29, California got 95% of its power from renewable energy—with the Golden State using about 90% renewables in the afternoon hours during a period of warm, cloudless weather. While caveats such as not including Sacramento or Los Angeles in the percentage dampens the milestone, it still means over 29 The post Solar-Rich California Hits 95% Renewable Energy On a Recent Day Across 80 Percent of the State appeared first on Good News Network.

Sheep were grazing the University of California–Davis campus this week in an academic experiment to see if the ewes can eat weeds and grass, fertilize, and control pests, as well as—or better than—using conventional landscaping methods. The woolly ewes are part of a multidisciplinary study to explore the possibilities of saving the campus money and The post Sheep vs. Lawnmowers: UC Campus Tests Which is Better to Maintain Grounds appeared first on Good News Network.

Researchers in Finland have discovered that electrodes in lithium batteries containing cobalt can be reused following a special process. In comparison to traditional recycling, which typically extracts metals from crushed batteries by melting or dissolving them, the new process—which newly saturates the electrodes with lithium—saves valuable raw materials, and likely also energy. The rechargeable batteries The post Battery Parts Can Be Recycled Without Crushing or Melting, Saving Valuable Raw Materials appeared first on Good News Network.