如今世界上生产的丝绸约有12.5万吨，其中近三分之二产自中国。
Today, around 125,000 metric tons of silk is produced in the world, and almost two-thirds of that production takes place in China.
明年将产生超过1亿公吨的塑料，而其中很大一部分将流入海洋。
Next year more than 100m tonnes of plastic will be created and much of it will end up in our oceans.
粮农组织估计今年世界小麦的产量在6.46亿吨，虽然比09年的大丰收下降了5个百分点，但由于美国和加拿大有优良的收成，产量记录仍处于历史第三高位。
The FAO estimates world wheat production this year at 646m tonnes, 5% down on 2009’s bumper crop but still the third-highest on record, thanks to excellent harvests in America and Canada.
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