Climate

An American atmospheric chemist who led efforts to identify the cause of the Antarctic ozone hole and a French geochemist who extracted the longest

When major disaster strikes, Dr. Irwin Redlener is rarely far behind.

Columbia’s campuses were largely spared the ravages of Hurricane Sandy, which destroyed neighborhoods, flooded tunnels, forced hospitals evacuation

Last month, in the farm belt of Des Moines, Iowa, the 82-year-old Hillel received the annually awarded $250,000 World Food Prize for his life’s wor

For the first time, scientists have identified tropical and subtropical species of marine protozoa living in the Arctic Ocean. 

Columbia University President Lee C. Bollinger and Provost John H. Coatsworth have named Sean C.

The world’s oceans may be turning acidic faster today from human carbon emissions than they did during four major extinctions in the last 300 milli

Reducing Soot and Methane Would Bring Fast Results, Says Study

A study by a large international team of scientists says that rel

Health costs exceeding $14 billion dollars and involving 21,000 emergency room visits, nearly 1,700 deaths, and 9,000 hospitalizations are among th

After less than a month in operation, a new NASA satellite has produced the first map showing how saltiness varies across the surface of the world’

In the first study of its kind, researchers have linked a natural global climate cycle to periodic increases in warfare.

A team of researchers from Columbia Engineering, Geophysical Fluid Dynamics Laboratory, and Rutgers University has now demonstrated that evaporatio