- Lots of trees to hug: Study counts 3 trillion trees on Earth Updated: Sep-02-15 1:29 pm
WASHINGTON - More than 3 trillion trees now grow on Earth, seven times more than scientists previously thought. But it's also trillions fewer than there used to be, a new study concludes.
- Smartphone app identifies weeds invasive to Alaska Updated: Aug-26-15 5:43 am
KENAI, Alaska - A new smartphone application is helping researchers learn where plant species invasive to Alaska are growing.
- As seas rise, saltwater plants offer hope farms will survive Updated: Aug-17-15 12:43 am
VEDARANYAM, India - On a sun-scorched wasteland near India's southern tip, an unlikely garden filled with spiky shrubs and spindly greens is growing, seemingly against all odds.
- NAU researchers look at fungi and climate change Updated: Aug-15-15 1:52 pm
FLAGSTAFF, Arizona - News may not be so gloomy for certain types of trees predicted to go extinct because of climate change.
- Correction: Caribbean-Seaweed Invasion story Updated: Aug-12-15 3:41 pm
KINGSTON, Jamaica - In a story Aug. 9 about the Caribbean's seaweed invasion, The Associated Press incorrectly reported the size of the Sargasso Sea in square kilometers. It is about 2 million square miles, which is approximately 5 million square kilometers.
- Stinking mats of seaweed piling up on Caribbean beaches Updated: Aug-10-15 8:47 am
KINGSTON, Jamaica - The picture-perfect beaches and turquoise waters that people expect on their visits to the Caribbean are increasingly being fouled by mats of decaying seaweed that attract biting sand fleas and smell like rotten eggs.