An interdisciplinary team of scientists has discovered that, contrary to general scientific belief, iron in nondissolved particle form can stimulate phytoplankton growth, and that the chemical form that particulate iron takes is critical to ocean photosynthesis.
The highlands of Ethiopia are home to the majority of the country’s population, the cooler climate serving as a natural buffer against malaria transmission. New data now show that increasing temperatures over the past 35 years are eroding this buffer, allowing conditions more favorable for malaria to begin climbing into highland areas.
Sustainability Management graduate Melissa Meggiolaro (’17) interviews Lamont-Doherty Earth Observatory oceanographer Arnold Gordon.
In the 2004 disaster movie “The Day After Tomorrow,”, global warming accelerated the melting of polar ice, disrupting circulation in the North Atlantic Ocean and triggering violent changes in the weather. Could climate change shut down the Gulf Stream?
Richard Seager and Park Williams, climate scientists at Lamont-Doherty Earth Observatory, discuss how water will be affected by warmer temperatures, and how their research increases understanding of these issues.
Columbia joins leaders from across higher education, the private sector and state and local governments in affirming their commitment to the Paris Agreement.
While we still do not know the long-term impact of President Trump’s withdrawal from the Paris climate accord, the short-term impact has been to mobilize a broad segment of the U.S. and global public in support of the agreement.
Experts from across the Earth Institute give their reactions to the news that the U.S. will exit the Paris climate agreement.
Yochanan Kushnir: “As a climate scientist who directly engages in studying the phenomena and mechanisms of climate variability and change I am convinced that we are headed towards a different, and to many people hostile, state of the climate system, with a worldwide impact including many parts of the U.S.”
In the wake of the decision by the Trump administration to withdraw from the 2015 Paris climate agreement, several questions have emerged about what withdrawal means for environmental policy, research and innovation.