Global warming hits cereal production hard
Commodity Online NEW DELHI: Global warming has taken a heavy toll on major cereal crops and since 1981 it has caused a loss of $5 billion.
According to a study conducted by David Lobell, researcher of the Lawrence Livermore National Laboratory in the US, from 1981-2002 fields of wheat, corn and barley throughout the world have produced a combined 40 million tonnes less per year because of increasing temperatures caused by human activities.
Though the impacts are relatively small compared to the technological yield-gains over the same period, the results demonstrate that negative impacts of climate trends on crop yields at the global scale are already occurring.
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