Mammal teeth store a record of the plants they ate, providing clues about the ecosystems in which they lived.
Climate Change
Greening the Friendly Skies
Decarbonizing the aviation industry won’t be easy. The coronavirus pandemic complicates the situation but also presents an opportunity.
Movement Recognizes the Promises and Vulnerabilities in Pastoralism
With grassroots support, the Food and Agriculture Organization is moving closer to recognizing an International Year of Rangelands and Pastoralists.
A Promising Development for Detecting Ocean Productivity
A comparison of primary productivity measurements across the North Pacific Ocean demonstrates the potential for using autonomous instruments to discern effects of climate change on the marine food web.
New Insights into Uncertainties About Earth’s Rising Temperature
A comparison of climate models finds that much of the variation in their predictions of global warming arises from differences in how they simulate the response of convective processes to warming.
How Scientists Can Engage to Solve the Climate Crisis
Policymakers need scientists. Here’s how one geoscientist contributed to a U.S. congressional report that’s already churning out legislation—and real action.
The Deepest Layers of the South-West Atlantic Ocean are Warming
A unique temperature time series observed over the past decade in the bottom layers of the south-west Atlantic Ocean shows significant variability with long-term warming trends.
Polar Bears to Vanish from Most of the Arctic This Century
A “timelines of risk” model shows when and where population collapse begins as sea ice wanes in our warming future.
Reaching Consensus on Assessments of Ocean Acidification Trends
Scientists are working to establish a common methodology for evaluating rates of change in—and the various mechanisms that affect—acidification across ocean environments.
Global North Is Responsible for 92% of Excess Emissions
The United States and European Union bear disproportionate liability for emitting to the atmospheric commons, new research argues.
