Ocean animals at the top of the food chain recovered first after a cataclysm at the end of the Permian period. The extinction was triggered by events resembling the changes brewing in today’s oceans.
Climate Change
Peruvian Mountain Birds Take an “Escalator to Extinction”
As the climate warms, tropical birds living in the mountains are retreating to higher elevations to avoid the heat. What happens when they run out of mountain slope to escape to?
Countries Urge Increased International Research in the Arctic
A joint statement from countries with interests in the Arctic emphasizes the need for scientific collaboration in this rapidly changing region but sidesteps attributing climate change to human activities.
Making Sense of Landslide Danger After Kerala’s Floods
Scientists traveled to Kerala, a state in India recently devastated by severe monsoon rains. They found a vulnerable population that will soon face fresh landslide risks as a new monsoon approaches.
Long-term Dataset Reveals How Management Affects River Biology
River systems are affected by societies against a backdrop of climate change. A new dataset reveals how these forces affect river flow, chemistry, and the biological health of the river.
Hydrology Dictates Fate of Carbon from Northern Hardwood Forests
As spring snowmelt and fall rains inundate northern hardwood forests with moisture, soil bacteria get moving and increase carbon exports to the atmosphere and into nearby water bodies.
Analysts Forecast Midterm Election’s Impact on Climate Change
A Democratic wave could prompt more legislation on climate change but might dampen bipartisan efforts.
Exploring the Unknown of the Ross Sea in Sea Ice–Free Conditions
A team of polar scientists aboard the OGS Explora, cruising in rare ice-free conditions, discovered new evidence of ancient and modern-day ice sheet sensitivity to climatic fluctuations.
Glacial Lake Outburst Flood Captured in Seismic Recordings
A flood that thundered through eastern Nepal in July 2016 left a telltale seismic signature and caused more erosion than local monsoon rains, new research shows.
Wireless Frequency Sharing May Impede Weather Satellite Signals
The delivery of weather satellite imagery is reliable today, but will it stay that way in the future?