We will spare nature by living in cities, but for a sustainable world, we will not pull ourselves up by our own bootstraps by living in cities.
The human population is more vulnerable to catastrophic pandemics than at any time since the Black Death.
We must look beyond the self-centered view that we are the only masters of our own survival.
Overall the blame for plastic pollution rests on you and me.
It has been of great interest among plant geneticists to develop other crop plants that avoid photorespiration.
Recent press coverage of soil carbon sequestration on farms creates the dangerous impression that we can easily store a significant fraction of CO2 from fossil fuel emissions through better soil management.
Soy milk seems to leave the smallest footprint on the environment.
Future generations will have no escape from the pressure of their own numbers and the stresses of a full planet.
When it comes to sources of power, off-shore wind development looks much more attractive than off-shore oil development