Biodigester

Cuban Farm Explores Sustainability by Hand

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.

In Southern Brazil, Need Becomes an Environmental Virtue

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.

Producing Clean Energy from Pigsties in Brazil

Pigs, already the main source of income in this small municipality in southwestern Brazil, now have even more value as a source of electricity.