BBC | A volcanic ash plume from Ethiopia’s newly erupting Hayli Gubbi volcano has swept across the Red Sea to India, disrupting flights and prompting aviation warnings, though experts say it is unlikely to worsen Delhi’s already very poor air quality.

Climate and Clean Air Coalition (CCAC) | Côte d’Ivoire’s NDC 3.0 aims to cut greenhouse gas emissions 33% below BAU by 2035 (up to 74% with support) across all sectors and gases, including major SLCPs, through measures such as a 50–70% reduction in HFCs, methane and nitrous oxide mitigation in waste and agriculture, expanded renewables, and other actions that also yield expected air-quality co-benefits.

Nature | A 30-day assessment of a Riyadh school found that indoor air quality is strongly influenced by traffic-related pollution and inadequate ventilation, with particulate matter and elevated indoor NO₂ levels indicating the need for better school siting, upgraded HVAC systems, and ongoing IAQ monitoring.

Mass.gov | MassDEP has installed new air monitoring stations in Framingham and Saugus as part of a broader effort to improve statewide air quality, strengthen pollution standards, expand air-sensor grants, and enhance public forecasting tools.

KTLA | Southern California will see lingering showers, mountain snow and strong winds Saturday before conditions clear and warm later in the day heading into Thanksgiving week.

Nature | A large CHARLS study found that multiple air pollutants were linked to reduced cognitive function in adults over 45, but higher levels of physical activity significantly weakened these harmful effects, highlighting the need for policies that both reduce pollution and promote exercise.

PA Environment Digest Blog | The Pennsylvania Department of Environmental Protection is inviting public comments by December 22 on an initial air quality permit for EQT Midstream’s proposed 8-million-gallon oil and gas wastewater storage facility in Jackson Township, Greene County, with no hearing scheduled unless requested and application materials available for public review.

ABC7 | A container ship fire that began with an electrical malfunction at the Port of Los Angeles forced the One Henry Hudson to be moved out to sea overnight and prompted a shelter-in-place order, which was lifted Saturday morning as firefighters continued battling roughly 40 inaccessible burning containers.

Daily Dispatch | Smith County fire crews battled an industrial blaze near Tyler Pounds Regional Airport Thursday night, prompting evacuations and an emergency alert due to potentially hazardous smoke, before reopening Highway 64 and scaling back operations by early Friday.

BBC | A volcanic ash plume from Ethiopia’s newly erupting Hayli Gubbi volcano has swept across the Red Sea to India, disrupting flights and prompting aviation warnings, though experts say it is unlikely to worsen Delhi’s already very poor air quality.

Climate and Clean Air Coalition (CCAC) | Côte d’Ivoire’s NDC 3.0 aims to cut greenhouse gas emissions 33% below BAU by 2035 (up to 74% with support) across all sectors and gases, including major SLCPs, through measures such as a 50–70% reduction in HFCs, methane and nitrous oxide mitigation in waste and agriculture, expanded renewables, and other actions that also yield expected air-quality co-benefits.

Nature | A 30-day assessment of a Riyadh school found that indoor air quality is strongly influenced by traffic-related pollution and inadequate ventilation, with particulate matter and elevated indoor NO₂ levels indicating the need for better school siting, upgraded HVAC systems, and ongoing IAQ monitoring.

Mass.gov | MassDEP has installed new air monitoring stations in Framingham and Saugus as part of a broader effort to improve statewide air quality, strengthen pollution standards, expand air-sensor grants, and enhance public forecasting tools.

KTLA | Southern California will see lingering showers, mountain snow and strong winds Saturday before conditions clear and warm later in the day heading into Thanksgiving week.

Nature | A large CHARLS study found that multiple air pollutants were linked to reduced cognitive function in adults over 45, but higher levels of physical activity significantly weakened these harmful effects, highlighting the need for policies that both reduce pollution and promote exercise.

PA Environment Digest Blog | The Pennsylvania Department of Environmental Protection is inviting public comments by December 22 on an initial air quality permit for EQT Midstream’s proposed 8-million-gallon oil and gas wastewater storage facility in Jackson Township, Greene County, with no hearing scheduled unless requested and application materials available for public review.

ABC7 | A container ship fire that began with an electrical malfunction at the Port of Los Angeles forced the One Henry Hudson to be moved out to sea overnight and prompted a shelter-in-place order, which was lifted Saturday morning as firefighters continued battling roughly 40 inaccessible burning containers.

Daily Dispatch | Smith County fire crews battled an industrial blaze near Tyler Pounds Regional Airport Thursday night, prompting evacuations and an emergency alert due to potentially hazardous smoke, before reopening Highway 64 and scaling back operations by early Friday.