Rio de Janeiro hits the gas in push toward its zero carbon goal | Sustainable Procurement News |

In its efforts to slash its climate-changing emissions nearly to zero by 2050, Rio de Janeiro has chosen a perhaps unlikely place to start: its trash bins. At a huge waste treatment plant outside of the famed beach city, methane gas released by buried municipal garbage is captured and turned into energy as part of the city's key push to meet its ambitious goals to become carbon neutral.