20 Jun 2012: Letters: Researchers in China have discovered increased insect resistance and increased numbers of pests developing in and around GM cotton crops
Country diary: Brue Valley, Somerset: Some deplore the great seasonal outburst of yellow as spoiling the native scene, but a woman walking her dog on the river bank was struck by its beauty
We are, on average, 3st heavier than we were in the 60s. And not because we're eating more or exercising less – we just unwittingly became sugar addicts
10 Jun 2012: Letters: Building super farms to compete with cheap imports, as suggested by the president of the National Farmers Union, is to please corporate investors
The NFU says that large-scale, intensive farms can help reduce the environmental impact of farming and increase food security. Is it right? Leo Hickman, with your help, investigates. Post your views below, email leo.hickman@guardian.co.uk or tweet @LeoHickman