Mangrove forests around the world provide a largely overlooked nitrogen-pollution cleanup service — one that, if humans had to pay for it, would cost $8.7...
Scientists have developed a method to turn plastic waste into clean hydrogen using solar power and acid from old car batteries. The one-pot process transforms...
New Orleans plans to revamp the commission that oversees city parks and playgrounds and is seeking $5 million in federal aid after an investigation published...