ORGANIC farming increases biodiversity at every level of the food chain – all the way from lowly bacteria to mammals. This is the conclusion of the largest review ever done of studies from around the world comparing organic and conventional agriculture.
Previous studies have shown that organic farming methods can benefit the wildlife around farms. But “the fact that the message is similar all the way up the [food] chain is new information”, says agricultural scientist Martin Entz of the University of Manitoba in Winnipeg, Canada.
The study reviewed data from Europe, Canada, New Zealand and the US. Neither of the…
