Scientists have come up with a model to better understand how weathering, the process that acts as Earth's thermostat, responds to changing global temperatures. Rocks, rain and carbon dioxide help ...

For many hundreds of millions of years, the average temperature at the surface of the Earth has varied by not much more than 20 degrees Celsius, facilitating life on our planet. To maintain such ...

Figure 1: High-resolution Pb and Nd isotope data for deep Atlantic ferromanganese crusts. Figure 3: Comparison between Pb isotopic data and output from a model based on variable glacial–interglacial ...