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    • Hydrogen-Powered Airplanes Face 5 Big Challenges

      Hydrogen-Powered Airplanes Face 5 Big Challenges

      Scientific American· 6 hours ago

      CLIMATEWIRE | BRUSSELS — The best way to cut greenhouse gas emissions from flying is to fly less — but that’s a nonstarter for the industry and millions...

    • California’s other cloud experiment

      California’s other cloud experiment

      Politico· 2 days ago

      WSPA spokesperson Kevin Slagle cited the group’s work on more than a dozen bills that would affect oil production in the state, as well as the California...