Green Forests?

This post contributed by Heather Kirk, a post-doctoral researcher at the Institute of Agricultural Sciences in Zurich, Switzerland When a 9.0 magnitude earthquake caused a series of nuclear accidents in Japan back in March of this year, there was nervousness in North America that nuclear fallout could blow across the Pacific Ocean to reach coastal cities in Canada and the US.  While those fears were largely unfounded according to...

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Study finds more agricultural trees than we thought

Sorghum grown under acacia and palm trees in Burkina Faso. According to a new study by scientists at the World Forestry Centre in Nairobi, Kenya, we’ve underestimated that amount of trees worldwide that are grown in agricultural areas. Using satellite imagery, the scientists show at the 2nd World Congress of Agroforestry this week in Nairobi that trees cover more than 10 percent of about 10 million square kilometers of farmland...

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