While temperatures in New York City topped 100 degrees over the Fourth of July weekend, the US Department of Energy quietly removed roughly 6,000 web pages related to energy conservation. The timing wasn’t a coincidence — and the consequences are more serious than a routine website cleanup.

What Got Deleted, and Why It Matters

According to The Verge, the mass deletion followed a political firestorm over New York City Mayor Zohran Mamdani’s advice that residents set their air conditioning to 78 degrees to reduce strain on the electrical grid during the heatwave. Republican politicians including Ted Cruz, Nikki Haley, and Representative Nancy Mace attacked the suggestion, framing it as government overreach.

Here’s the awkward part: 78 degrees was the Department of Energy’s own official recommendation. Republican governors, including Texas’s Greg Abbott, have issued identical guidance during past heatwaves. This is standard grid-management advice, not a radical policy position.

Yet the backlash appears to have triggered a sweeping purge. The deletions weren’t surgical. Gone alongside thermostat guidance were pages covering water conservation, home insulation, and the DOE’s Solar Decathlon program. The Internet Archive has preserved copies, but most everyday users won’t know to look there.

These weren’t obscure bureaucratic documents. They were publicly funded resources built precisely for moments like this one — when millions of people need practical guidance to stay safe and keep the grid stable. During four consecutive days above 95 degrees, with two days crossing 100, that kind of information has direct public safety value. The CDC and NOAA data cited by The Verge is a useful reminder of the stakes: extreme heat kills more Americans on average than floods, tornadoes, and hurricanes combined.

A Broader Pattern of Regulatory Retreat

The energy page deletions don’t exist in isolation. A separate report published this week by Ars Technica, drawing on analysis from the nonprofit Public Employees for Environmental Responsibility, reveals a sharp rise in industrial chemical accidents — and a simultaneous push to weaken the rules designed to prevent them.

The numbers are stark. Between 2021 and 2025, accidents involving dangerous chemical releases rose 57 percent, from 83 to 131 incidents. Injuries and deaths climbed from 60 to 89 over the same period. Chemical Safety Board records show more than 650 accidents between April 2020 and May 2026, with over 100 resulting in fatalities.

Close to 150 million Americans live within three miles of facilities handling hazardous chemicals. Communities that are predominantly Black and Latino face disproportionate exposure risk. Many of these facilities were built before 1985, and as PEER senior counsel Jeff Ruch told Ars Technica, “with each passing year the risk gets greater because the infrastructure continues to age.”

Despite all this, the Trump administration has proposed rolling back Risk Management Program rules that were strengthened in 2024, citing a desire to reduce regulatory burden. The EPA also removed a public data tool that was supposed to inform communities about nearby chemical hazards. And the administration has attempted to defund the Chemical Safety Board — the independent agency that investigates these accidents — though Congress has continued to fund it.

Why This Adds Up to Something Worth Watching

Taken individually, each of these moves might be dismissed as routine policy reshuffling. Taken together, they describe a consistent direction: fewer public resources, weaker safety rules, and less transparency — exactly when the need for all three is growing.

Heatwaves are becoming more frequent and more intense. Chemical infrastructure is aging. The communities most at risk from both trends tend to have the fewest alternatives when government guidance disappears or safety nets are pulled back.

Deleting a web page might feel like a small act. But when that page exists to help someone make a decision that could prevent a blackout, or to help a community understand what chemicals are being stored nearby, it’s not a footnote. It’s a gap where something useful used to be.