A powerful green laser helps visualize the aerosol plumes from a toilet when it’s being flushed.

CU Boulder scientists shine a light on what comes up when you flush

Dec. 8, 2022

Thanks to new CU Boulder research, scientists see the impact of flushing the toilet in a whole new light—and now, the world can as well. Using bright green lasers and camera equipment, a team of CU Boulder engineers ran an experiment to reveal how tiny water droplets, invisible to the...

Rendering of Earth's continents as lakes in a forest

Cross-campus open house will feature interdisciplinary climate change research, kick off U.N. Summit events

Nov. 28, 2022

The College of Engineering and Applied Science, the College of Arts and Sciences and the Leeds School of Business are teaming up to highlight CU Boulder-led research to address climate change from 3-5 p.m. on Nov. 30 in the Olson Atrium of the Rustandy Building. The event comes ahead of...

Leading with Impact

Engineering Solutions to Climate Change Challenges

Nov. 4, 2022

"Leading with Impact" draws together experts and industry leaders affiliated with the College of Engineering and Applied Science to inform, enlighten and advise on some of the biggest science, tech and policy issues in today's world. Come engage with fellow alumni, join the conversation and be inspired by how CU...

Shelly Miller

CU Boulder joins White House summit on indoor air quality

Nov. 1, 2022

The challenges of wildfires, industrial pollution and vehicle emissions have centered the issue of outdoor air quality in the public consciousness. With the onset of the Covid-19 pandemic and the realization that the pathogen primarily transmits indoors, there has been growing awareness of the importance of indoor air quality, as...

Lisa Wang

"I love solving challenging environmental problems."

Oct. 31, 2022

Name: Yu Hong (Lisa) Wang Hometown: Johannesburg, South Africa Program: Environmental Engineering "This department holds a warming place in my heart as I am greeted by smiling faces who genuinely care about each other." I was born in China, Qingdao, an attractive coastal city with influences from both Germany and...

An aircrew from Coast Guard Air Station Borinquen conduct an overflight of Puerto Rico in the aftermath of Hurricane Fiona.

Puerto Rico’s precarious relationship between power and water

Oct. 3, 2022

Hundreds of thousands of Puerto Ricans are still without electricity nearly two weeks after Hurricane Fiona hit the island on Sept. 18, initially knocking out power for almost all 3.3 million U.S. citizens. The island's aging power infrastructure had not fully recovered since Hurricane Maria five years ago, leaving residents...

Shelly Miller

Miller honored with Distinguished Research Lectureship

Sept. 19, 2022

Shelly L. Miller is a professor of Mechanical Engineering and faculty in the Environmental Engineering Program. Miller received her master’s degree and doctorate in Civil and Environmental Engineering from the University of California, Berkeley. She also holds a bachelor’s degree in Applied Mathematics from Harvey Mudd College. Professor Miller investigates...

Emily Bedell

Testing for E. coli in real time

Sept. 13, 2022

A new water quality sensor developed by engineers at CU Boulder can quickly, cheaply and accurately monitor for the presence of E. coli bacteria in water supplies, an issue that may affect more people in the U.S. and around the world in the future. Emily Bedell (PhDEnvEngr’22) is lead author...

Emily Bedell on a streambed.

CU Boulder researchers develop highly accurate sensor for E. coli risk detection

Aug. 12, 2022

Researchers at CU Boulder have developed and validated a new sensor for E. coli risk detection that features an impressive 83% accuracy rate when detecting contamination in surface waters. The findings were recently published in Water Research and could improve detection of a variety of contaminants quickly and effectively in...

Sydney Litchfield

Becoming an environmental engineer to improve water quality in developing countries

Aug. 1, 2022

Name: Sydney Litchfield Hometown: Chattanooga, TN Major: Environmental Engineering Year: Senior I grew up in Chattanooga, Tennessee and did not start taking interest in engineering until I was in college. An inspiration behind becoming an engineer was watching my city go from one of the dirtiest places in the country...

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