Recycling all the human and livestock feces and urine on the planet ... the team modeled how much of this waste, if recycled, would be needed to satisfy crop and grassland production systems ...

It might not be a pleasant image, but recycling all the human and livestock ... in excreta from humans and livestock, the team modeled how much of this waste, if recycled, would be needed to ...

In Love Creek, Biddle’s team found that there is a clear “human signature,'' or presence of human waste adjacent to nearby housing developments ... but we were able to get a hint that it is ...

“Infection of H5N1 in pigs is of particular concern – they are highly susceptible to human influenza ... allowed to feed cattle and other farm animals ground-up waste from other animals ...