The increasing productivity with which humankind generates waste has gained at least one sustainable counterpart: the extraction of biogas from landfills, a growing activity in Brazil.
As the festive season begins, some farmers say that consumers should be asking about the origins of their food, and thinking about who produces it, especially in light of the historic accord reached at the United Nations Climate Change Conference (COP 21) on Dec. 12 in Paris.
When Dr. Evelyn Nguleka says that the world’s people shouldn’t bite the hand that feeds them, she explains that she’s not only referring to protecting farmers, but also to safeguarding the environment.
Increasing calls for Africa to reduce methane emissions from livestock continue to be met with controversy, and livestock scientists say methane is a forgotten short-term climate pollutant with significant global warming potential that Africa cannot continue to overlook.
New signs have emerged in recent days which indicate that extreme measures are being taken in order to suppress evidence of the pernicious effects of the energy extraction method known as hydraulic fracturing, or “fracking".
The planet can be cooled a whopping 0.5 degrees C with fast action to reduce air pollution from coal-fired power plants, gas fracking, diesel trucks and biomass burning, recent studies show.