FROM THE EDITOR-IN-CHIEF

In 1975, an American geochemist gave us one of the most important phrases of our times—global warming. In his research paper, ‘Climatic Change: Are we on the Brink of a Pronounced Global Warming?’, Wallace Smith Broecker predicted that an exponential rise in atmospheric carbon dioxide would drive the mean planetary temperature up beyond those experienced during the preceding 1,000 years.

This year, we got an unambiguous answer to the question Broecker asked 46 years ago: are we on the brink of global warming? A report