Earthworms are a high-protein source, but be careful of contamination by sprays or pesticides.

The effect of other phenomena are still poorly understood (environmental degradation, air pollution, contamination by pesticides).

FoE estimate that 12 million people receive drinking water contaminated at some time by pesticides.

The air is laced with salt and contaminated by pesticides that the wind has swept from the dry seabed.

Eastern bluebirds all but disappeared from my farm in central Maryland decades ago, their numbers reduced by pesticides and habitat loss.

There could be other problems, however, including contamination by pesticides and plant chemicals like nicotine.

Many are killed on roads, and they may be susceptible to poisoning by pesticides used on their insect prey.

Yet threatened as they already are by pesticides and the loss of habitat, birds now bear another burden, hidden in their feathers.

Contamination by pesticides ranged from 50 to 0%.

The pollution of European water by pesticides and other chemicals is very serious.