Why there are so many species of tropical trees and other organisms. Why does biodiversity grade from exuberance at the equator through moderation at mid-latitudes toward monotony at higher ones? Data from an international network of long-term forest dynamics research sites is finally providing an answer. Source 8x.
Biodiversity and nature's contributions continue dangerous decline, scientists warn. Biodiversity -- the essential variety of life forms on Earth -- continues to decline in every region of the world, significantly reducing nature's capacity to contribute to people's well-being. This alarming trend endangers economies, livelihoods, food security and the quality of life of people everywhere, according to four landmark science reports written by more than 550 leading experts, from over 100 countries. Source 7j.