Herds of impala, wildebeest, kudu and other large herbivores are in decline across sub-Saharan Africa, in part due to rising levels of poaching by hunters seeking bushmeat for subsistence and profit.
They found that underutilized human and livestock waste could substitute 27% of current fertilizer use in China, 26% in the US, and 47% in India. First they cracked a problem that slows down plant ...
Producing food for the world has an environmental cost. Not just from water and energy use, but also the carbon footprint of fertilizer. Producing ammonia, the key ingredient of fertilizer, results ...