Water never really stays still. A molecule sitting in tropical seawater today might evaporate into the atmosphere, fall as rain over a continent, enter the soil, move through groundwater, and eventually return to the ocean. […]
Category: Earth Systems
Earth’s surface looks solid and permanent, but on geological timescales it is anything but stationary. Continents collide, oceans open and close, mountain ranges rise, volcanic arcs develop, and pieces of oceanic crust disappear back into […]
Carbon is everywhere. It is in the air we breathe, the food we eat, the soil beneath forests, microscopic organisms in the ocean, and rocks buried deep below Earth’s surface. But carbon rarely stays in […]
Earth’s climate does not behave like a collection of separate machines. The atmosphere influences the ocean, the ocean changes the atmosphere, and land conditions can alter both within days, decades, or even centuries. That constant […]
Earth may look like a collection of separate environments: oceans, forests, deserts, glaciers, clouds, rivers, and atmosphere. In reality, these systems constantly exchange energy, water, carbon, nutrients, and momentum. A change in one part of […]