Midwestern agriculture contributes the vast majority of nitrogen in the Gulf of Mexico, causing an oxygen-starved hypoxic zone and challenging coastal economies.
articles
‘Rivers in the Sky’ Shape African Climate
East Africa is much drier than other tropical land regions, including the Amazon and Congo rainforests.
Earlier Take-Off Could Lead to Fewer Bumblebees and Less Pollination
With the arrival of spring, bumblebee queens take their first wing beat of the season and set out to find new nesting sites.
New Study Could Help Pinpoint Hidden Helium Gas Fields – and Avert a Global Supply Crisis
Dr Anran Cheng (Department of Earth Sciences, University of Oxford), lead author of the study, said: ‘Our model shows the importance of factoring in the high diffusivity of helium and the long timescales needed to accumulate significant gas quantities, and the fact that the entire geological system acts dynamically to affect the process.
Ocean Surface Tipping Point Could Accelerate Climate Change
The oceans help to limit global warming by soaking up carbon dioxide emissions.
Wisconsin Cave Holds Tantalizing Clues to Ancient Climate Changes, Future Shifts
Even in their dark isolation from the atmosphere above, caves can hold a rich archive of local climate conditions and how they’ve shifted over the eons.
