Scientific and engineering breakthroughs are allowing us to make ammonia from pollution rather than fossil fuels.

Over recent decades, harmful algal blooms have become increasingly common. These blooms often consist of bacteria called "cyanobacteria" in freshwater ecosystems. They can produce debilitating toxins, ...

Raman outpaces Pratt in LA mayor contest; California governor's race unsettled NYC imposes stringent security as Trump becomes 1st sitting US president to attend NBA Finals game Russia's military ...

Karen is a writer and editor with more than 25 years of print and digital media experience working in newspapers, educational publishing, marketing, nonprofits, and magazines. When it comes to ways to ...