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Environment + Energy – Articles, Analysis, Opinion

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Utilities can turn off power to reduce the risk that their equipment could spark wildfires during extreme weather events. Smith Collection/Gado via Getty Images

Colorado is latest state to try turning off the electrical grid to prevent wildfires − a complex, technical operation pioneered in California

Turning off power is a last-ditch strategy for utilities to reduce the risk that their systems could spark wildfires. In most states, deciding whether to take that step is up to utilities.
Wetlands at Blackwater National Wildlife Refuge in Maryland shows signs of ‘pitting,’ where areas of cordgrass have converted to open water. Will Parson/Chesapeake Bay Program via Wikimedia

Coastal wetlands can’t keep pace with sea-level rise, and infrastructure is leaving them nowhere to go

A coastal scientist explains why marshes, mangroves and other wetlands can’t keep up with the effects of climate change, and how human infrastructure is making it harder for them to survive.
Solar engineering is designed to reflect some of the Sun’s ray back into space. John Crouch/Moment via Getty Imgaes

Climate engineering carries serious national security risks − countries facing extreme heat may try it anyway, and the world needs to be prepared

The big question: Would climate engineering like sending reflective particles into the stratosphere or brightening clouds help reduce the national security risks of climate change or make them worse?
The Punch Powertrain Solar Team car from Belgium competes in the 2017 World Solar Challenge near Kulgera, Australia. AP Photo/Geert Vanden Wijngaert

Why aren’t there solar-powered cars?

It’s common to see solar panels on rooftops and fields, but they aren’t widespread on cars − yet.
As more homes like these in Folsom, Calif., add solar power, electricity pricing becomes more complicated. AP Photo/Rich Pedroncelli

California is wrestling with electricity prices – here’s how to design a system that covers the cost of fixing the grid while keeping prices fair

California is considering a controversial proposal for utilities to charge customers for electricity based partly on household income. Two scholars explain how this approach could benefit everyone.
Aedes aegypti, found across much of the U.S., spread Zika, dengue, chikungunya and other viruses. Mailson Pignata/iStock via Getty Images

Female mosquitoes rely on one another to choose the best breeding sites − and with the arrival of spring, they’re already on the hunt

Female mosquitoes don’t want to lay their eggs alone, but they don’t want sites that are too crowded either. Understanding what guides their choice could inform new control strategies.
Endangered North Atlantic right whale Snow Cone, entangled in fishing rope, with her newborn calf off Georgia in 2021. Georgia Department of Natural Resources/NOAA Permit #21731, via AP

Surviving fishing gear entanglement isn’t enough for endangered right whales – females still don’t breed afterward

Even when female North Atlantic right whales survive entanglement in fishing gear, it may affect their future ability to breed, increasing the pressure on this critically endangered species.