A new technique using 81Kr can measure the age of old groundwater in arid regions. The method can be used as a proxy for past climates and weather patterns.
Natural Resources
Posted inNews
Ousted Head of Science Agency Criticizes Brazil’s Denial of Deforestation Data
Ricardo Galvão was fired from the institute that monitors deforestation in the Amazon. Now he and other scientists are speaking out against attacks on science.
Posted inNews
Murders of Environmentalists Have Doubled in 15 Years
Indigenous people defending their lands are particularly at risk, and watchdog groups warn that criminalization of environmental activism is also on the rise.
Posted inNews
Fossil Fuels Less Efficient Than Earlier Estimates
According to a new analysis, fossil fuel energy return on investment is on par with renewables.
Posted inFeatures
Forgotten Legacies: Understanding Human Influences on Rivers
Logging, urbanization, and dam building are a few ways people have significantly altered natural river ecosystems. Understanding that influence is a grand challenge of our time.
Posted inAGU News
Join the Effort to Improve the Health of Our Oceans
AGU executive director/CEO Chris McEntee provides key takeaways from the first Global Planning Meeting, in Copenhagen, for the United Nations Decade of Ocean Science for Sustainable Development.
Posted inFeatures
Underground Robots: How Robotics Is Changing the Mining Industry
From exploring flooded sites to providing alerts, use of robotics aims to “increase the arsenal of tools that can help miners work more safely and efficiently.”
Posted inNews
Looking for Climate Solutions Down in the Dirt
Geoengineering is more than orbiting mirrors and stratospheric aerosols. Innovative modeling considers the impact of no-till farming and radical irrigation.
Posted inNews
Judge Blocks Oil and Gas Leases on Public Land, Citing Climate Change
The ruling pointed out a “critical flaw” in fossil fuel leasing.
Posted inNews
Catching Oklahoma’s Tiny Tremors in the Act
Scientists map thousands of microearthquakes in Oklahoma to take a closer look at the seismic effects of wastewater injection following oil and gas operations.