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Environmental engineering

A group in hard hats and yellow vests points at something in the distance while standing at a wastewater treatment plant.
Community
Designing for a wetter future
Published April 28, 2025
Environmental engineering students partner with Baltimore City to protect a major wastewater treatment plant from future climate-driven impacts
A vibrant sunrise in the beautiful natural surroundings of Orlando Wetlands Park in central Florida
Q+A
Microbes, not fossil fuels, biggest source of rising atmospheric methane levels
Published Nov 12, 2024
Hopkins expert Scot Miller discusses a new analysis challenging assumptions about the drivers of spiraling global methane levels
Aerial view of modern water cleaning facility at urban wastewater treatment plant. Purification process of removing undesirable chemicals, suspended solids and gases from contaminated liquid.
Environmental health
Team targets safety of fertilizers made from wastewater sludge
Published June 25, 2024
Johns Hopkins researchers create new list of possibly toxic contaminants commonly found in biosolids nationwide
Four college students prepare scientific equipment on a dock next to the water.
Environmental Engineering
Student engineers flex their mussels to fight nutrient pollution
Published April 25, 2024
A team of undergraduates partnered with Baltimore City to clean up Back River and the Patapsco
A front view photo of kale in the garden
Environmental health
Superfood safety
Published Feb 21, 2024
Novel chemical analysis by a Johns Hopkins-led team provides insight into safety of Maryland-grown kale
A male Asian chef wearing a surgical mask makes stir fry in a commercial kitchen
Environmental health
Order up for cleaner kitchen air
Published Dec 7, 2023
A research team that included a JHU air-quality expert has developed a new method for better estimating potential exposure to cooking-related emissions during stir-frying
Quebec Canada Wildfire Smoke Consumes New Jersey and New York City June 7 2023
Environmental health
Wildfires likely to grow more common on East Coast, experts predict
Published June 12, 2023 Video
Hopkins scholars discuss the harmful effects of smoke from the Canadian wildfires and how residents can protect themselves and prepare for next time
Water flows out of a series of pipes in a water treatment plant
Water treatment
Filtration methods remove harmful 'forever chemicals' from drinking water
Published Oct 24, 2022
Per- and polyfluoroalkyl substances, known as PFAS, are industrial chemicals that are commonly found in drinking water despite being hazardous to human health
A gloved person opens a large industrial canister of chemicals
Q+A
Study: EPA approach to assessing chemical health risks falls short
Published Oct 20, 2022
The Lautenberg Act was designed to shore up toxic substance safety assessments, but regulators are not using best practices, Johns Hopkins researcher finds
A coal-fired power plant with smoke rising from smokestacks
Q+A
After Supreme Court EPA ruling, regulatory patchwork remains
Published Aug 23, 2022
A lack of unified national regulation will not only slow the Biden administration's goal of reducing greenhouse gas emissions, but will also slow business investments and innovation, according to climate policy expert Paul Ferraro