Did you know that ...

One ecological beef (250gr) saves 750 liter of ground water from meeting farming toxins.

One portion of ecological oat meal porridge ( 50 gr oat flakes) saves 34 litres of ground water from meeting farming toxins.

One litre of ecological milk saves 200 litres of ground water from meeting farming toxins.

One ecological egg (50gr) saves 75 litres of ground water from meeting farming toxins.

Read more on the Danish "Real men drink water from the tap" campaign site.
http://www.vandfrahanen.dk/
It helps if you understand Danish or its nearest cousins ;-)

Btw:
For some odd reason the English word for ecological is organic?!