Not exact matches
Many have replaced fossil energy sources with bioenergy, such
as woodchips, while others focus on solar cells and wind power.
For example: Starting with the «trees» — trees providing shade, protection (wind, rain, sun), cooling environment, soil health, oxygen, resources such
as timber / fibre /
woodchips / fuel for humans and shade / homes / food for animals.
The former is a series of hulking works painted on dense APA
woodchip panels known
as OSB (Oriented Strand Board).
Work is now under way to develop efficient technologies to convert cellulosic materials such
as switchgrass,
woodchips, wheat straw, and corn stalks into ethanol.
Second,
as noted by other commenters, the carbon in the
woodchips mixes with the nitrogen in the urine and feces so that composting happens.