Environmentalists have taken to streets around the world to protest against seed giant Monsanto at the same time as the company is facing a $62 billion takeover by Bayer, the German drugs giant. More than 400 simultaneous demonstrations against genetically modified crops and pesticides were organised around the world this weekend. The protests took place in over 40 countries. They come come as Monsanto faces an unsolicited takeover offer by Bayer, the chemical giant that invented aspirin. The deal could create the world's biggest supplier of farm chemical and genetically modified seeds. Up to 3,000 protesters, rallied by environmental organisations including Greenpeace and Stop TAFTA, an anti-capitalist group, gathered in Paris, according to Agence France Presse. Protesters voiced their anger against Monsanto's herbicide Roundup which is classified as "probably carcinogenic to humans" by the World Health Organisation. In the US, where 90 per cent of corn, soybean and cotton is genetically modified, campaigners promoted the march with a billboard in Times Square, showing a topless model and the slogan: "Keep GMOs out of your genes." On Monday Bayer made an unsolicited $62 billion all-cash offer to acquire Monsanto. A concentration of corporate power in the agriculture and chemical sector would be bad news for both farmers and consumers. It would accelerate the decrease in crop diversity while limiting consumer choice. Farmers would ... find it harder to choose what they grow and how they grow it.