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Study on global plant die-off faces questions

Agence France-Presse: A study on plant productivity that said drought and global warming were killing off plants worldwide is now being questioned by scientists, according to research published Thursday. In the study published in the journal Science last year, researchers Maosheng Zhao and Steven Running of the University of Montana used NASA satellite data to show that productivity declined slightly from 2000-2009. Those findings contradicted previous studies from the 1980s and 1990s that showed warmer temperatures… Continue reading

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