The shelf life of pyrite

The last 2.6 million years are characterized by glacial cycles, a regular alternation of cold and warm periods. It is widely accepted that changes in the concentrations of carbon dioxide and other greenhouse gases in the ...

Tracking carbon from the ocean surface into the depths

As disastrous storms, floods, and fires become more common in the US and elsewhere, humans are just beginning to appreciate some of the impacts of global warming. But these impacts would be much worse if the ocean hadn't ...