The physical processes that sculpt our Earth are dramatic — earthquakes, weather, volcanic eruptions, tectonic motions, climate change. Now, decades of research into the intricately intertwined system that links all oceans and freshwater, the atmosphere and our land is moving us forward toward a better understanding of our world. Here we watch it unfold.
Soil bacteria are staggeringly diverse, but a few types are abundant nearly everywhere.
Nitrogen isotopes show how nutrients leach out of septic tanks and into pond ecosystems.
An exceptionally strong El Niño may have caused 1876-1878 famine that killed tens of millions.
People who eat fish from glacial meltwater may be at risk from persistent organic pollutants produced in the 20th century.
Sediment core from a Copenhagen lake tells the story of the Industrial Revolution.
Considering humidity as well as temperature emphasizes humanity's impact on the climate.