Julia Conley, staff writer
From Paris's Eiffel Tower to the Petronas Towers in Kuala Lumpur, world landmarks went dark Saturday night for one hour
Jessica Corbett, staff writer
"We must act to halt and reverse the unsustainable use of nature—or risk not...
Andrea Germanos, staff writer
"Humanity is not taking the urgent steps needed to safeguard our imperiled biosphere," over 15,000 scientists warned in a letter published Monday. (Photo: NASA)
Reassessing warning issued 25 years ago, the "second notice" to humanity warns...