Can “snow” fall in the ocean and influence the climate of the entire planet? It turns out that it can. Research conducted by scientists from the Faculty of Physics at University of Warsaw, published in Journal of Fluid Mechanics, helps us understand how microscopic “flakes” of dead organic matter collide and sink into the deep ocean, transporting vast amounts of carbon and affecting the pace of global warming.

An international team of scientists has discovered that methane hydrates beneath the northwest Greenland continental shelf became rapidly destabilised by meltwater, releasing large stores of methane during ice-sheet retreat across the continental shelf.

A widely used method for measuring how well streams absorb excess nutrients has a hidden flaw: it systematically overestimates uptake length under high-nutrient conditions. Researchers at Duke Kunshan University have derived a corrected zero-order analytical approach that better captures stream nutrient processing when nutrients are abundant, improving the accuracy of tools used to assess river health and guide restoration decisions.

A group of researchers in the UK have shown how the distributions of Pseudo-nitzschia and Dinophysis - two phytoplankton groups known to produce natural toxins that can halt shellfish harvesting – have changed in the North East Atlantic over the last six decades. The research was led by scientists from the University of Plymouth and the Marine Directorate of the Scottish Government, in conjunction with Plymouth Marine Laboratory (PML), the Marine Biological Association (MBA), and the Scottish Association for Marine Science (SAMS).

We don’t have time to count every fish in the ocean! Environmental DNA or eDNA allows us to see where fish live by analyzing DNA in seawater – such as from shed scales or skin. This Japan-wide eDNA survey conducted by the Advanced Institute for Marine Ecosystem Change (WPI-AIMEC), Tohoku University & JAMSTEC, revealed hidden factors of the ecological niches that affect shifts in fish distributions. 

A study of ancient lake sediments reveals that a recent wildfire high in the Rwenzori Mountains was the first in 12 millennia, signaling a novel threat to Africa’s unique alpine ecosystems.

A new study is the first to show that annual rainfall packed into bigger, wetter storms means less water for ecosystems and aquifers, even if total precipitation increases. The researchers report that annual rainfall for much of the world has condensed into heavier storms with longer dry periods since 1980. They project more consolidation due to climate change, with an increase of just 2 degrees Celsius bringing abnormally dry conditions to more than a quarter of the global population, even with more rainfall.