agriculture
biofuels have had huge economic benefits to the agricultural sector, but they are associated with increased emissions of greenhouse gases to the atmosphere,
Methane concentrations were relatively constant in the atmosphere until the beginning of the Industrial Revolution.
Human excrement is a resource too valuable to waste.
It will take a long time to flush this past memory of nitrogen use out of the ecosystem.
Most of the energy used to grow marijuana indoors stems from electricity for high-intensity growth lights.
Suggestions that we can mitigate the impact of fossil fuel combustion by increasing carbon storage in soils are bogus.
Don’t let statistics of declining pesticide use fool you
Managing to reduce the transport and arrival of alien species will not be cheap
The past use of phosphorus fertilizers has left of legacy of pollution that we must consider if we are to have any success in cleaning up water quality.
the color of rivers seen from space may provide a better index of the health of rivers than simple visual observations from land
