Earth Sciences79
-

Volcanic Plumbing at Mid-Ocean Ridges Goes Far Deeper than Thought
New pictures in the journal Nature Geoscience may help resolve a debate about how new crust forms at mid-ocean ridges where earth’s tectonic plates are slowly pulling apart.
-

Watch Your Step: the Alpha Predator of the Ordovician
Frozen into the stone floor of a stairway landing, several flights up in Columbia’s Lewisohn Hall, sits a stark reminder of how life has evolved in the sea. Part 6 of the Columbia Geology Tour.
-

Sun-gazing
By Galileo’s careful hand, sunspot details are exquisite, Through eye of forehead, eye of mind beholds what body can not visit. If only he could see the sights now rendered from Earth’s outer space, Ultraviolet sunscapes – Oh, to see his raptured face!
-

What Do Wildfires Have to Do with Climate Change?
“Climate change has been making the fire season in the United States longer and on average more intense,” said John Holdren, President Obama’s science advisor. And, wildfires are not only intensified by climate change, they also exacerbate it.
-

Orogenous Zones: How Rock Flows
The architects of Columbia’s modern Northwest Tower, at the corner of Broadway and 120th Street, made good use of some beautiful stones. In their polished and swirling surfaces, they tell a story of the clash of continents and the processes by which mountains are made.
-

Chemical silence
What if you couldn’t smell smoke? Or detect flirty signs from a bloke? Imagine the cost Of faculties lost, Of signals that deafness would cloak …
-
A Scientist Who Traveled the World to Study the Forest, and the Trees
Gordon Jacoby, 1934-2014
-

Seeing Red: The Great Oxygenation Event
In Part 4 of the Columbia Geology Tour, David Walker of the Lamont-Doherty Earth Observatory explores the source of the red sandstone of Russell Hall at the Columbia Teachers College on 120th Street.
-

Lamont-Doherty Director Awarded National Medal of Science
Sean Solomon, director of the Lamont-Doherty Earth Observatory and a geophysicist who has spent much of his career studying Earth’s neighboring planets as well as the Earth itself, will receive the National Medal of Science.

The first Earth Day in 1970 ignited a movement to stop polluting our planet. Today, our scientists and experts are tackling the most pressing challenges to achieve real-world impact. This Earth Day, join us in our commitment to realizing a just and sustainable future for our planet. Visit our Earth Day website for ideas, resources, and inspiration.
