TEHRAN, Sept 24- Scientists have discovered several new bee species on Fiji, but researchers have also found evidence of increasing environmental pressures.
TEHRAN, May 23- As Earth's temperatures continue to rise, freshwater ecosystems in the Arctic are becoming unusually warm -- too warm for many native species.
TEHRAN, Apr 29 -Diplomats from 130 nations have gathered in Paris to validate a grim UN assessment of the state of Nature and lay the groundwork for a rescue plan for life on Earth.
TEHRAN, October 24 -"Our findings show that the future changes in northern species populations may be abrupt, giving rise to ecological surprises that are hard to predict," said researcher Risto Heikkinen.
TEHRAN, September 03 - "The current magnitude and unseen speed of change in nature may push species beyond their ability to adapt," ecologist David Bravo-Nogues said.
TEHRAN, August 27 -Tropical forests are home to a rich diversity of tree species. Scientists have previously argued competition among "natural enemies" explains the ecosystem's unique biodiversity . But new research suggests such an explanation is not sufficient on its own.