"Responding to the crisis in Flint, Michigan, school officials across the country are testing classroom sinks and cafeteria faucets for lead, trying to uncover any concealed problems and to reassure anxious parents."

"In 1972, a British scientist sounded the alarm that sugar – and not fat – was the greatest danger to our health. But his findings were ridiculed and his reputation ruined. How did the world’s top nutrition scientists get it so wrong for so long?"

"Reducing food waste around the world would help curb emissions of planet-warming gases, lessening some of the impacts of climate change such as more extreme weather and rising seas, scientists said on Thursday."

"Deep in the forests of Hawaii, a native tree called 'ōhi'a reigns king. The tall canopy tree dominates the island's forests, especially on the Big Island. 'Ōhi'a makes up approximately 80 percent of Hawaii's native forests and more than half of 'ōhi'a grows on Hawaii Island.Often the first plant to grow from a fresh lava flow, 'Ōhi'a is known for its resilience. That's what makes a recent discovery all the more tragic: 'ōhi'a is dying."