"The sun looked orange as it shined through a thick blanket of wildfire smoke on Tuesday across a large area of North America, including in Denver, and the smoke could spread even farther in the coming days."

"The sun appeared orange and red through a layer of haze on Tuesday morning as a large blanket of wildfire smoke covered part of the central United States and Canada.

"Research showed truck-related releases of nitrogen dioxide, which can cause asthma, concentrated around some 150,000 warehouses nationwide."

"Environmental groups are teeing up a legal challenge to new Environmental Protection Agency (EPA) rules on pollution from chemical and plastics plants, citing concerns the EPA relied too heavily on lowball industry estimates as it sized up the risks to people’s health posed by ethylene oxide (EtO), chloroprene, and other toxic air pollution."

"Project Prosperity, a water-for-energy deal between Israel and Jordan, promised major climate adaption in a drought-stricken region. Then October 7 happened."

"As delegates arrived at the Republican National Convention in Milwaukee earlier this week to officially nominate former president Donald Trump as their 2024 candidate, a right-wing policy think tank held an all-day event nearby. The Heritage Foundation, a key sponsor of the convention and a group that has been influencing Republican presidential policy since the 1980s, gathered its supporters to tout Project 2025, a 900-plus-page policy blueprint that seeks to fundamentally restructure the federal government."

"A surge in new oil and gas exploration in 2024 threatens to unleash nearly 12bn tonnes of planet-heating emissions, with the world’s wealthiest countries – such as the US and the UK – leading a stampede of fossil fuel expansion in spite of their climate commitments, new data shared exclusively with the Guardian reveals."

"State regulators could have asked oil companies California Resources Corp. and Aera Energy for an estimated $2.4 billion to guarantee wells are plugged but decided they didn’t have the authority to do so."

"The Environmental Protection Agency (EPA) on Wednesday proposed designating one of the toxic substances spilled by a train derailment in East Palestine, Ohio, as a high-priority chemical under the Toxic Substances Control Act (TSCA), the next step to a full ban."

"Toxic PFAS “forever chemicals” are widely added to pesticides, and are increasingly used in the products in recent years, new research finds, a practice that creates a health threat by spreading the dangerous compounds directly into the US’s food and water supply."