Global food systems depend on fertilizers with phosphate. We need to act now before this nonrenewable resource runs out.
science policy
Posted inNews
Many U.S. Cities Severely Underreport Their CO2 Emissions
Although unintentional, these errors may undercut local government efforts to tackle climate change.
Posted inOpinions
Sediment Mismanagement Puts Reservoirs and Ecosystems at Risk
Current regulations and reservoir management practices impede efforts to deal with sediment accumulation behind U.S. dams. New approaches are needed to improve reservoir sustainability.
Posted inNews
Chasing Carbon Unicorns
According to a new report, net zero targets many governments are pursuing are distractions from the urgent need to drastically reduce carbon emissions.
Posted inNews
Aerosol Scientists Try to Clear the Air About COVID-19 Transmission
“We are basically doing what a public health agency should be doing.”
Posted inNews
The Difficulty of Defining the Anthropocene
Humans may be in a new geologic epoch—the Anthropocene—but different groups define its start at varied times. When should the Anthropocene have begun?
Posted inNews
Racist Slurs in Place-Names Have to Go, Say Geoscientists
An open letter from geoscientists supports a bill to remove racist slurs from federally recognized lakes, creeks, canyons, and other small landforms.
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El debate sobre las proyecciones de emisiones energéticas de las Naciones Unidas
Un nuevo estudio encuentra el factor económico que controla la divergencia entre las trayectorias de las emisiones en las evaluaciones climáticas y la realidad.
Posted inNews
New Funding Fortifies Africa’s Great Green Wall
With increased investment and renewed interest, a project to halt land degradation across the Sahel aims to transform the landscape—and people’s lives.
Posted inOpinions
An Observational Gap at the Edge of Space
Ongoing climate change in Earth’s middle and upper atmosphere will affect the rapidly expanding space and telecommunications sectors. Maintaining observations of this region is more crucial than ever.