‘Ocean battery’ targets renewable energy dilemma

Good News Notes: “A wind turbine sitting idle on a calm day or spinning swiftly when power demand is already met poses a problem for renewables, and is one researchers think can be tackled under the sea. In one vision, offshore wind farms could use seawater to essentially store energy until it’s needed, helping wean humanity off fossil fuels….

Israeli firm uses air and water to store solar energy for nighttime

Good News Notes: “The southern tip of Israel is a rocky desert where solar panels are abundant and the sun, when shining, is the source of nearly all electricity. Once it sets, however, the grid shifts back to fossil fuels to generate power. Renewable energy from solar and wind powered systems cannot be stored without…