Changes in the 14C ages of carbon and biomarkers deposited at the mouth of a river draining a permafrost watershed track responses of regional thaw depth to past warming and cooling.Read More »Hydrology, Cryosphere & Earth Surface
A system of canals 2 millennia old sustained a local population after the collapse of its neighbors, and it continues to affect local ecology today.Read More »Biogeosciences
Satellite data reveals that urban vegetation, especially urban forests, is the most important factor regulating Urban Heat Island intensity.Read More »Planetary Sciences
Sixty-six million years ago, an asteroid reset most of life on Earth. But without this catastrophic event, the composition of neotropical rain forests wouldn’t be the same.Read More »Biogeosciences
Fresh waters are one of the primary sources of natural methane emissions, but methane dynamics in tropical lakes are not as well understood as those in more temperate regions.Read More »Geochemistry, Mineralogy, Volcanology
Mussel shell periostracum and carbonate bound organic matter document seasonal variability in the isotopic composition of riverine suspended particulate organic matter.Read More »Biogeosciences
Colombia is the second-largest producer of Arabica coffee, but changing climate, soil, and precipitation patterns are already altering the harvest volume, production techniques, and even the taste of coffee.Read More »Biogeosciences
New research finds that temperatures rise in the Amazon rain forest after a fire, even in areas that are not converted to agricultural land or pastures.Read More »Geohealth
Clues in sediments show that once humans arrived on Great Abaco Island, they hunted large reptiles to extinction and burned the old hardwoods and palms, leading to new pine- and mangrove-dominated lands.Read More »Geohealth
