Turgor pressure limits red cedar growth in tropical forests

Tropical forests are experiencing increasing vapor pressure deficits (D), with possible negative effects on tree growth. However, the mechanisms by which climatic variability drives tree growth are poorly understood. The ...

Underground symbiosis counters drought

When the going gets tough, we all need a helping hand, and trees are no different. Researchers in the Plant Sciences Department at the Weizmann Institute of Science have discovered that in drought conditions, cypresses get ...

At least 13 die in extreme heat wave in US

At least 13 people have died from the extreme heat wave that has been tormenting the southern United States for two weeks, officials said Friday, with air in other parts of the country polluted by forest fires in Canada.

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