60-Second Earth Scientific American

National Park Service researchers recorded ambient sound from all over the country to find out where there’s still stillness. David Biello reports

Life thrives even deep inside Earth and scientists are beginning to suspect extensive connections among those underground environments. David Biello reports

The long-term winter warming of Russia’s far north has gotten a boost from industrialization. David Biello reports

The biggest single source of global warming pollution actually started to shrink in 2014. David Biello reports

The value of recycling depends on the material in question and whether all hidden costs and benefits go into the analysis. David Biello reports

 

Desire for gold has made mining in tropical forests financially worthwhile, leading to ecosystem destruction. Cynthia Graber reports