Purposeful carbon sequestration in soil organic matter will require huge amounts of additional fertilizer production, with its own contributions to fossil fuel emissions and contamination of surface and groundwater
If we tear down an old building and replace it, we incur new costs of embodied energy in construction materials
Polar scientists estimate that the Arctic could be ice-free in the summer by mid-century.
we should pay more attention to indoor CO2 levels
Inasmuch as the runoff of nitrogen is an interstate transport problem, managing the application of fertilizer and loss of nitrogen to runoff should be a high priority for the Federal government.
In the short-term, forests harvested for biomass energy actually put more carbon dioxide into the atmosphere than burning fossil fuels,
The microparticles in soil and sediments may persist indefinitely, casting a sedimentary record of human activity on the planet.
Removing 5% of annual emissions by the spreading of rock dust on agricultural lands worldwide is a band-aid approach to a global hemorrhage.
Fracking promises that we will delay the transition from fossil fuels to renewable energy.
We are seeing an increasing denial of science by the general public—often spread by cell phone and social media.