local people had their own
way of dealing with the
problem, like recycling their
rubbish,” Shi said.
It was in the 19th century
that people began talking
about sustainable farming. What fascinated King
was that for thousands of
years China’s land, having
supported generation after
generation of a huge population, had not encountered
the predicament of that in
the United States whereby,
over just two centuries, the
carbon content of soil had
halved, although China’s
had suffered water and soil
loss