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`Climate-influencing` pine forest particles appear out of thin air

Last Updated: Thursday, February 27, 2014, 16:52

A new study has found that coniferous trees emit pine-scented vapors that form particles, apparently out of nowhere, and reflect sunlight or promote cloud formation.

Evidence of 900-yr-old mega drought period found

Last Updated: Saturday, November 05, 2011, 17:48

Researchers at the University of Arizona have revealed a previously unknown multi-decade drought period in the second century A.D after studying oldest pine trees.

Higher CO2 makes pine trees more productive

Last Updated: Tuesday, August 04, 2009, 11:33

A new research has found that pine trees grown for 12 years in air one-and-a-half times richer in carbon dioxide than today’s levels produced twice as many seeds of at least as good a quality as those growing in normal conditions.