Stratospheric emissions from aircraft or rockets are important sources of chemical perturbations. Small-radius high-aspect-ratio plumes…
The future may still be unpredictable, but nowadays, disasters are not. We live in a time of constant, consistent catastrophe, where things…
Russian President Vladimir Putin’s brutal, unprovoked war against Ukraine deserves all the opprobrium it has received around the world.…
A substantial number of United States (U.S.) hospitals have closed in recent years. The trend of closures has accelerated during the COVID-…
Veteran historians ponder the 20th century world for lessons from Russia’s Ukraine invasion.
Analysts say Russian invasion has been a “psychological shock” for Europe that could bring deep strategic changes including less dependence…
The Trump presidency featured a high volume of contentious mobilization. We describe the collection and aggregation of protest mobilization…
The pantheon of autocratic leaders includes a great many sexists, from Napoleon Bonaparte, who decriminalized the murder of unfaithful…
We synthesize and review retrospective analyses of federal air quality regulations to examine the contributions of the Clean Air Act (CAA)…
Benefits of legislation meant to help all veterans were routinely denied to Black veterans.