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Many of us amped up our cleaning regimens during the pandemic. But now Erica Hartmann, associate professor of civil and environmental engineering, and dozens of other scientists have issued a warning about the overuse of certain chemicals often found in cleaning products.

See what they found

A black and white photo of a gloved hand spraying a spray bottle.
Fourth-year doctoral candidate Tabor Whitney ’22 MA spends several months each year in Los Tuxtlas, Mexico, collecting feces samples from mantled howler monkeys. The feces may contain clues about the monkeys’ physical condition and could aid Whitney in developing a “health index welfare assessment,” a tool that provides metrics that conservationists can use to make decisions about the endangered creatures.

Learn more about Whitney’s research

A monkey sits atop a tree branch.
Northwestern researchers are the first to discover a link between so-called “underground climate change,” or “subsurface heat islands,” and ground movements beneath urban areas. The researchers found that as the ground warms, it also moves, and this could be a ticking time bomb for urban infrastructure, which is now, quite literally, on shaky ground.

Learn about subsurface heat islands

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A transformative grant from the Howard and Paula Trienens Fund will advance global sustainability and energy solutions at one of Northwestern’s flagship research institutes. The grant from the Trienenses’ donor-advised fund was recommended by University Trustee Nan Trienens Kaehler ’79 MS and Thomas R.

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Michael R. Wasielewski stands with two students in front of a large array of solar panels.
As concern grows about climate change and its impact on the planet, scientists at Northwestern’s Paula M. Trienens Institute for Sustainability and Energy are asking and answering urgent questions.

Learn about the research

A wet city street at night.
No work day is predictable for Alexa Carreno ’13 and her fiancé, Jeremy McKay. The Denver, Colo.–based legal partners are the co-founders of Environmental and Animal Defense (eaDefense), a nonprofit law firm providing accessible legal services focused on environmental justice and animal rights.

Learn about Carreno

Alexa Carreno sits in a camping chair with a laptop on her lap and a furry white dog by her side, in front of large mountains.
Bicycle sales in the U.S. skyrocketed during the COVID-19 pandemic as consumers avoided public transit and indoor gyms. Cycling, however, can be risky in urban settings.

More on cycling safety

CU Christina Whitehouse
Humanity has made a mess of our precious planet. These researchers are developing amazing new ways to help restore it.

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CleanUp Hero 1920
Classroom trips brought Northwestern students around the globe to conduct research on the history of midwivery in England, investigate reports of a power plant sickening residents in Panama, study how Israel is becoming a worldwide leader in water management, and more.

See where our students traveled

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Meet the 2022 recipients of the NAA’s highest honor, the Northwestern Alumni Medal: ‘Sex and the City’ writer Cindy Chupack ’87, broadcasting veteran David Louie ’72 and Inclusive Capital Partners founder Jeff Ubben ’87 MBA.

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Cindy Chupack