The department cited national security concerns, saying Elon Musk’s company had played a crucial role in the Iran war. It also argued it has the authority to stop environmental lawsuits brought by citizens.

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New research has identified areas around the world where cooler currents and other favorable conditions are helping to protect coral from the worst effects of global warming.

The preliminary agreement may not have an immediate effect on prices at the pump. Damaged infrastructure and risky transport could keep costs up.

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