From the Field / Earth
Mud Beneath an Antarctic Lake Holds a Longer Climate Memory Than Ice
A field team is recovering layered sediment that records how wind, meltwater, and microscopic life changed across thousands of seasons.
Author profile
Leah Morgan
Climate systems editor
Leah Morgan covers climate observations, Earth systems, and the infrastructure behind long records.
Latest work
Earth / Visual Investigation
The Atlantic's Heat Conveyor Is Best Read as a Dashboard, Not a Countdown
A visual investigation into why scientists track the overturning circulation with arrays, proxies, models, and a lot of caution.
Leah Morgan / Jul 13, 2026 / 10 min
Earth / Analysis
A Volcano's Lowest Notes Can Reveal a Changing Vent
Infrasound arrays are helping observatories distinguish routine gas release from shifts that deserve closer attention.
Leah Morgan / Jul 10, 2026 / 6 min
Earth / Discovery
Ancient Reservoirs Rewrite a Dryland City's Survival Story
Archaeologists are combining sediment cores, drone mapping, and old excavation notes to understand how water infrastructure shaped urban life.
Leah Morgan / Jun 27, 2026 / 6 min
Earth / Analysis
River Plumes Are Giving Coastal Forecasts a Sharper Edge
Satellite color, salinity estimates, and field samples are helping researchers predict where freshwater pulses carry heat, sediment, and nutrients.
Leah Morgan / Jun 20, 2026 / 6 min