According to Dr. Ingrid van der Meer of Wageningen University in the Netherlands: «Lemna (duckweed) which has a high protein content, a high yield, a good amino acid profile,
requires no arable land and is therefore sustainable.
It's basically the same old thing using a marginally more available feedstock that still
requires arable land to produce.
Not exact matches
The United States alone would
require six times its
arable land — and 75 percent of the world's cultivated
land — to supply its needs with ethanol made from corn, according to calculations by Vaclav Smil, an energy expert at the University of Manitoba.
Our direct air capture approach has several advantages over other carbon removal technologies: it does not
require water or depend on
arable land; has a small physical footprint; and is scalable.