3D printers got a lot of attention when DIYers leapt to action to address equipment shortages early in the pandemic, but some everyday items found in hardware stores played a big role, too.

Covering the state’s canals with solar panels would reduce evaporation of precious water and help meet renewable energy goals – all while saving money.

Drive-throughs not only increase air pollution and emissions, but also contribute to a car-centred culture that we need to avoid.

Volcanoes might seem like nature’s incinerators, but using them to burn up trash would be dangerous and disrespectful to indigenous people who view them as sacred.

Southern California is on the front line of climate change, and recent survey data shows that residents are feeling its effects in many ways.

Poor indoor air on tribal lands can cause a range of respiratory illnesses, including viral infections. Here's how people are fixing the problem while preserving traditional ways.

Exaggerating how much lockdown improved air quality could allow us to underestimate the scale of the air pollution problem.

Being indoors with other people is a recipe for spreading the coronavirus. But removing airborne particles through proper ventilation and air filtration can reduce some of that risk.

Good ventilation can reduce the risk of catching coronavirus. An environmental engineer explains how to know if enough outside air is getting into a room and what do to if ventilation is bad.

From June through October, it's not unusual for huge Saharan dust plumes to blow across the Atlantic. They can darken skies but also bring calmer weather and electric sunsets. Here's how they form.