Green week 2012. Berlin. Germany Stock Photo

RME04GE7–Green week 2012. Berlin. Germany

Beer bottles of different types are pictued in a shelf at the International Green Week in Berlin, Germany, 29 January 2012. Fotoarchiv für ZeitgeschichteS.Steinach Stock Photo

RMD445MD–Beer bottles of different types are pictued in a shelf at the International Green Week in Berlin, Germany, 29 January 2012. Fotoarchiv für ZeitgeschichteS.Steinach

Visitors marvel at a large codfish at the international Green Week, the trade fair for agricultural products, in Berlin, Germany, 21 January 2012. Gates are open to the public from 20 January to 29 January 2012. Photo: Wolfgang Kumm Stock Photo

RMD6E82P–Visitors marvel at a large codfish at the international Green Week, the trade fair for agricultural products, in Berlin, Germany, 21 January 2012. Gates are open to the public from 20 January to 29 January 2012. Photo: Wolfgang Kumm

RM2RKRDDR–Bildnummer: 58205333 Datum: 06.07.2012 Copyright: imago/Xinhua (120707) -- BERLIN, July 7, 2012 (Xinhua) -- A model presents the creation of the brand Halasi at the 2012 Berlin Summer-Autumn Fashion Week in Berlin, Germany, on July 6, 2012. Halasi is a brand by Ivett Simon, an innovative Hungarian fashion designer who infuses the contemporary and ecological design concept into the traditional style. A number of avant-garde fashion designers present their Eco-fashion and sustainable design collections at the special Euroasia Green Fashion session at Lavera Showfloor in Berlin. (Xinhua/Pan Xu)

RMD444MF–Beer bottles of different types are pictued in a shelf at the International Green Week in Berlin, Germany, 29 January 2012. Fotoarchiv für ZeitgeschichteS.Steinach

Visitors help themselves to cheese snacks at the international Green Week, the trade fair for agricultural products, in Berlin, Germany, 21 January 2012. Gates are open to the public from 20 January to 29 January 2012. Photo: Wolfgang Kumm Stock Photo

RMD6E831–Visitors help themselves to cheese snacks at the international Green Week, the trade fair for agricultural products, in Berlin, Germany, 21 January 2012. Gates are open to the public from 20 January to 29 January 2012. Photo: Wolfgang Kumm

RM2RKRDDY–Bildnummer: 58205331 Datum: 06.07.2012 Copyright: imago/Xinhua (120707) -- BERLIN, July 7, 2012 (Xinhua) -- Models present the creations of the brand Halasi at the 2012 Berlin Summer-Autumn Fashion Week in Berlin, Germany, on July 6, 2012. Halasi is a brand by Ivett Simon, an innovative Hungarian fashion designer who infuses the contemporary and ecological design concept into the traditional style. A number of avant-garde fashion designers present their Eco-fashion and sustainable design collections at the special Euroasia Green Fashion session at Lavera Showfloor in Berlin. (Xinhua/Pan Xu)

Green week 2012. Berlin. Germany. Detail of the Horsch Maschinen Stock Photo

RME04JBY–Green week 2012. Berlin. Germany. Detail of the Horsch Maschinen

RMD6E82W–Visitors help themselves to cheese snacks at the international Green Week, the trade fair for agricultural products, in Berlin, Germany, 21 January 2012. Gates are open to the public from 20 January to 29 January 2012. Photo: Wolfgang Kumm

RM2RKRDDT–Bildnummer: 58205329 Datum: 06.07.2012 Copyright: imago/Xinhua (120707) -- BERLIN, July 7, 2012 (Xinhua) -- A model presents the creation of the brand Halasi at the 2012 Berlin Summer-Autumn Fashion Week in Berlin, Germany, on July 6, 2012. Halasi is a brand by Ivett Simon, an innovative Hungarian fashion designer who infuses the contemporary and ecological design concept into the traditional style. A number of avant-garde fashion designers present their Eco-fashion and sustainable design collections at the special Euroasia Green Fashion session at Lavera Showfloor in Berlin. (Xinhua/Pan Xu)

Green Week 2012. Berlin. Germany. Woman in traditional Ukrainian clothes serves food. Stock Photo

RME04GPF–Green Week 2012. Berlin. Germany. Woman in traditional Ukrainian clothes serves food.

A visitor helps herself to some Belgian ham at the international Green Week, the trade fair for agricultural products, in Berlin, Germany, 21 January 2012. Gates are open to the public from 20 January to 29 January 2012. Photo: Wolfgang Kumm Stock Photo

RMD6E832–A visitor helps herself to some Belgian ham at the international Green Week, the trade fair for agricultural products, in Berlin, Germany, 21 January 2012. Gates are open to the public from 20 January to 29 January 2012. Photo: Wolfgang Kumm