Making a difference: Efficient water harvesting from air possible
Peer-Reviewed Publication
Updates every hour. Last Updated: 1-May-2025 11:08 ET (1-May-2025 15:08 GMT/UTC)
An Osaka Metropolitan University research team has found a way to make more efficient the desorption of water-adsorption polymers used in atmospheric water harvesting and desiccant air conditioning.
With 2024 on track to be declared the hottest on record, scientists from IIASA and Columbia University have noticed that specific regions are consistently more affected by extreme temperatures. A new study provides the first worldwide map of these regional climate danger zones.
A chemical reaction can convert two polluting greenhouse gases into valuable building blocks for cleaner fuels and feedstocks, but the high temperature required for the reaction also deactivates the catalyst. A team led by the Department of Energy’s Oak Ridge National Laboratory has found a way to thwart deactivation. The strategy may apply broadly to other catalysts.
The cost of reversing the effects of climate change—restoring melted polar sea ice, for example—quickly climbs nearly fourfold soon after a tipping point is crossed, according to new work publishing in the journal npj Climate and Atmospheric Science on Tuesday, Nov. 26. Much work has been done to explore the environmental costs tied to climate change. But this new study marks the first time researchers have quantified the costs of controlling tipping points before and after they unfold.
Dark ovals in Jupiter's polar haze, visible only at UV wavelengths, were first noticed 25 years ago, then ignored. A UC Berkeley study shows that these dark UV ovals are common, appearing at the south pole in 75% of Hubble Space Telescope images taken since 2015. They appear less often at the north pole. The scientists theorize that a magnetic vortex generated in the ionosphere stirs up and concentrates the hydrocarbon haze that blankets the poles.