More light at the day’s end comes at a price: much later winter sunrises across much of the U.S. Scientists have documented consequences for public health and the economy.

The Trump administration is undoing fuel-saving efforts even as war in Iran, data centers and heat waves are pushing up gasoline and electricity costs.

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The cost of crude has become a real-time barometer of the Iran war’s toll on the global economy.

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Drivers are enjoying some relief at the pump after the United States and Iran signed an agreement to reopen the Strait of Hormuz.

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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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The regulation would have required all publicly traded companies to disclose whether they faced significant risks from climate change and its effects.

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