biogeochemistry
The hydrogen content of the atmosphere has increased 70% since the late 1800s,
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
Pores and cracks in the rocks host microbial activity that feeds on hydrogen generated by volcanic activity,
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.
The popularity of natural gas as a fossil fuel and its increased use are attractive candidates to explain the potential for increased leakage to the atmosphere.
The emission of carbon dioxide from the production of cement current accounts for about 5% of the total annual industrial emissions of CO2.
Trees remove a lot of carbon dioxide from the atmosphere
In a full planet isolationism is not relevant.
Nearly all nitrogen pollution stems from agriculture, which strives to feed more than 7 billion of us with low-cost abundance.
