Sentences with phrase «ancient trees reveal»
Ancient trees reveal that the El Niño and La Niña events that wreak havoc on climate worldwide have been even more extreme than anyone knew, a revelation that suggests wilder swings in the future as the world gets warmer.
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Tree rings and fire scars in ancient pines, giant sequoias and bigcone Douglas - fir trees reveal long - term patterns and causes of changes in fire regimes in those forests, including the roles of people and climate variations.