L’avertissement is published in the Newspaper of Applied Ecology : heated, as the remainder of planet, by the gas emissions for purpose of greenhouse, the United Kingdom will become a paradise with flies. D’ici at 2080, the British owe s’attendre with a "increase of 250 %" of the populations of flies, according to a team of scientists of l’university of Southampton. Conclusion drawn d’un data-processing model founded on a biological characteristic from l’insecte: its cycle of reproduction s’accélère with the rise of the temperatures. A rise from 2 to 3 °C would be enough to dope the reproduction d’insectes, carrying bacteria which cause diseases at l’homme. A correlation enters the density in flies and intestinal l’infection with Campylobacter was thus shown.