In “The Testament of Ann Lee,” coming out Christmas Day, Amanda Seyfried plays a woman searching for another, better world.

It is indisputable that climate change is being fueled by greenhouse gases, but what is less clear is where the tipping points may reside—breaking points where slowly building changes push parts of ...

Ocean acidification is the worldwide reduction in the pH of seawater as a consequence of the absorption by the ocean of large amounts of carbon dioxide (CO2) emitted to the atmosphere mainly from ...

This text is only intended to provide introductory information about the topic. To find out about UNESCO's official position and actions in this field, please consult our relevant webpages and reports ...

Steffini Stalos, DO, FCAP, is a pathology and lab medicine physician. She is also the chief medical officer of the lab consultancy firm Blood Associates, LLC. Mean corpuscular hemoglobin concentration ...