Pioneering grid battery nudges California closer to 24/7 clean energy

Published on June 8, 2026

On June 1, the Tumbleweed project in California’s Kern County became the first major battery installation in the U.S. that can discharge power for up to eight hours at a time — twice as long as typical energy-storage facilities. The U.S. power sector now builds more battery storage capacity than any other form of…

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Open source grid model shows how Asean power trade can accelerate energy transition

June 8, 2026
The new tool gives policymakers, utilities and financiers a transparent, technically robust way to see what an integrated Asean Power Grid would look like in practice, before they spend billions on concrete and cables, suggested climate tech nonprofit TransitionZero.

Trees and greenery can cool cities by as much as 18°C – but only if they’re the right type

June 8, 2026
Trees are one of the most popular responses because they provide shade and reduce the amount of heat absorbed by surrounding surfaces. But outdoor comfort depends on more than air temperature alone.