In the central Arctic, the coldest winter nights are the clearest, when heat from Earth can escape into space unimpeded. Under a cozy blanket of clouds, though, long-wave radiation gets trapped and contributes to warming, so any process that leads to increased cloud formation and lingering cloudiness also boosts surface temperatures. Small aerosol particles, including […]
Law professor and international criminal lawyer Leila Nadya Sadat explains why she’ll ‘never give up’ in the pursuit of a global treaty to prosecute mass crimes taking place in Ukraine and around the world. Crimes against humanity are among the worst international crimes. They involve widespread or systematic attacks on the most vulnerable members of […]
WashU team’s analysis, published Sept. 2 in Nature Communications, showed that global, population-weighted PM2.5 exposure, related to both pollution levels and population size, increased from 1998 to a peak in 2011, then decreased steadily from 2011 to 2019, largely driven by exposure reduction in China and slower growth in other regions.
Aerosols are bits of solid matter suspended in air. They can absorb and reflect light, contributing to the warming and cooling of the atmosphere. When they are below a certain size, particles known as PM2.5 can enter a person’s bloodstream and penetrate the lungs.
By analyzing social media content generated across the globe, political scientists seek to understand the current wave of populist rhetoric flooding the internet and its threats to democracies.
The Institute for Informatics, Data Science and Biostatistics (I²DB) at Washington University in St. Louis is sharing its expertise on an international stage.
Explorer Lawrence Millman has traveled far and wide, writing stories of his adventures from the Arctic to the Ecuadorian Amazon and beyond.
Ten recent alumni of Washington University in St. Louis earned Fulbright awards in 2023 to travel abroad to conduct research or to teach English.
The Social Policy Institute (SPI) at WashU provides a systems-level understanding of policy problems and promotes corresponding solutions.
Guillermo Rosas studies the economic consequences of political regimes and the effects of political institutions on political elite behavior, especially in Latin America.