One might hope that we could require chemical manufacturers to show that a product is safe before it is sold.
Hypoxia is one of the side-effects of modern agronomic systems which strive to feed 7 billion of us with a nutritious diet.
Are lithium resources in short supply?
The disruption of thoughtful evaluations of Earth’s past temperature by those who deny climate change serves no useful purpose
I am not at all worried about the world running out of oxygen anytime soon.
Sustainability will not be achieved with rising human population and increasing resource use.
The advent of fluoridated water would seem to be a good example of better living through biogeochemistry.
When it’s gone, it will be very difficult to supply phosphorus to crops without major expense, and there is no substitute.
Global warming may beget drastically more global warming, if we ever destabilize the pool of methane clathrates that are buried in polar regions.
Copper has been extracted from less and less attractive ores since Biblical times, yet we have not run out.