"Until five years ago, we didn't know about the circular economy, but today our waste generates environmentally neutral products that also offer a return,” says José Luis Barrinat, manager of a cooperative that brings together some 550 small farmers in Monje, Argentina.
"Biogas is worth gold to us, we can no longer live without it," Claudete Volkswey, a poultry farmer in the municipality of Toledo, in the southwestern state of Paraná, Brazil, said enthusiastically about the new source of energy that has allowed her to get a good night’s sleep again, because she no longer has to get up to stoke the fire every two hours.
Most beginnings are rocky and sometimes the obstacles seem insurmountable, before they are finally overcome. This was certainly the case for the Finca Marta, a farm in Cuba that had to begin by digging a well in search of water and with the hard-scrabble work of clearing an arid, stony and overgrown plot of land.
The state of Santa Catarina in southern Brazil is the largest national producer and exporter of pork and this year it also leads in exports of chicken, of which it is the second-biggest producer in the country.
Pigs, already the main source of income in this small municipality in southwestern Brazil, now have even more value as a source of electricity.