Greenpeace activists create a gigantic 60 metre NO sign crop circle in a maize field in the state of Estado de Mexico, Central Mexico

© Greenpeace / Gustavo Graf

As you may know, we've been recently been busy creating seasonal crop circles all over the world, to highlight the appearance of GE crops in fields in several countries. Three more appeared in the last few days - in Mexico, Spain and the Philippines.

02 October 2006: Above is a gigantic 60 metre "NO" sign crop circle in a maize field in the state of Estado de Mexico, Central Mexico. We're demanding that the Mexican Government rejects proposals to break a long standing moratorium against the cultivation of genetically Modified Maize in the region.

Greenpeace activists mark a 50 metre crop circle with a ‘Prohibited’ sign at the site of a genetically engineered maize field trial in Zuera, Northern Spain

© Greenpeace / Pedro Armestre

03 October 2006: 50 metre crop circle with a ‘Prohibited’ sign at a genetically engineered maize field trial in Zuera, Northern Spain. This GE Maize field is only a short distance from commercial fields and poses a risk of contamination.

Aerial view of a crop circle made by local farmers and Greenpeace volunteers in Isabela province, 300 km northeast of Manila on 30 September 2006

© Greenpeace / Melvyn Calderon

30 September 2006: This crop circle was made by local farmers and Greenpeace volunteers in Isabela province, 300 km northeast of Manila, in the Philippines. The crop circle, with a slash over the letter 'M' symbolizes farmer's rejection of genetically-modified Bt corn crops from Monsanto corporation.

Say no to genetic engineering »

GE Maps: Censored by French Court, Republished by Greenpeace International, Featured by BoingBoing »

Interview with the crop circle makers »