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Full video of Princeton Environmental Forum now available

December 5, 2019 ・ Morgan Kelly

Video is now available of the Oct. 24-25 Princeton Environmental Forum featuring Princeton faculty and alumni environmental leaders in a series of discussions addressing urgent environmental issues for the 21st century, including climate change science and policy, the protection of…

Two million-year-old ice cores provide first direct observations of an ancient climate

November 21, 2019 ・ Morgan Kelly

Princeton University-led researchers have extracted 2 million-year-old ice cores from Antarctica that provide the first direct observations of Earth’s climate at a time when the furred early ancestors of modern humans still roamed. Gas bubbles trapped in the cores —…

Researchers find nature’s backup plan for converting nitrogen into plant nutrients

November 11, 2019 ・ Joseph Albanese

Although nitrogen is essential for all living organisms — it makes up 3% of the human body — and comprises 78% of Earth’s atmosphere, it’s almost ironically difficult for plants and natural systems to access it. Atmospheric nitrogen is not…

Geyman’s published senior thesis research offers new thoughts on how carbonates record global carbon cycle

November 8, 2019 ・ Tom Garlinghouse

When scientists want to study Earth’s very ancient geological past — typically greater than 100 million years ago — they often turn to rocks called carbonates. Calcium carbonates, the most ubiquitous forms of carbonate, are minerals that precipitate from seawater…

Solar and wind energy preserve groundwater for drought, agriculture

November 6, 2019 ・ B. Rose Kelly

Solar and wind farms are popping up around the country to lower carbon emissions, and these renewables also have another important effect: keeping more water in the ground. A new Princeton University-led study in Nature Communications is among the first…

At the frontline: Princeton Environmental Forum addresses environmental crises of the 21st century

October 31, 2019 ・ Denise Valenti and Tom Garlinghouse

In response to the urgent environmental challenges facing the planet, Princeton faculty and alumni who are actively working to protect the environment gathered for the Princeton Environmental Forum held on campus Oct. 24-25. They came with knowledge, questions and an…

Why are big storms bringing so much more rain? Warming, yes, but also winds

October 29, 2019 ・ Molly Sharlach

For three hurricane seasons in a row, storms with record-breaking rainfall have caused catastrophic flooding in the southern United States: Harvey in 2017, Florence in 2018 and Imelda in 2019. A new analysis by Princeton researchers explains why this trend…

A world without the Amazon? Safeguarding the Earth’s largest rainforest focus of Princeton conference

October 23, 2019 ・ Pooja Makhijani

The Amazon is the world’s largest and most diverse tropical forest and the ancestral home of over 1 million indigenous peoples. How to preserve it was the centrally urgent theme at a conference at Princeton on Oct. 17-18. “Safeguarding the…

Study helps pinpoint what makes species vulnerable to environmental change

October 16, 2019 ・ Joseph Albanese

The fabled use of canaries in coal mines as an early warning of carbon monoxide stemmed from the birds’ extreme sensitivity to toxic conditions compared to humans. In that vein, some avian species can indicate environmental distress brought on by…