A grain of salt or two may be all that microbial electrolysis cells need to produce hydrogen from wastewater or organic byproducts, without adding carbon dioxide to the atmosphere or using grid electricity, according to Penn ...
Energy & Green Tech
Sep 19, 2011
9
0
Water levels on the Rhine River, Europe's second-largest river, have continued to drop owing to soaring temperatures and lack of rainfall, preventing many vessels from navigating through the waters at full capacity. The Copernicus ...
Earth Sciences
Aug 18, 2022
0
48
Parasiticides are commonly applied as 'spot-on' treatments on dogs and cats to prevent or kill fleas or ticks, but they contain toxic chemicals that are making it into UK rivers and ponds, particularly in urban areas. In ...
Ecology
Mar 20, 2023
1
152
Wide swathes of northern China are suffering through their worst drought in 60 years -- a dry spell that could have a serious economic impact worldwide if it continues much longer, experts say.
Environment
Feb 4, 2011
1
0
Long ago on Mars, water carved deep riverbeds into the planet's surface—but we still don't know what kind of weather fed them. Scientists aren't sure, because their understanding of the Martian climate billions of years ...
Space Exploration
Mar 27, 2019
40
808
(Phys.org)—Four of the world's great rivers, including the Murray Darling, are all suffering from drastically reduced flows as a direct result of water extraction, according to new ANU research.
Environment
Nov 26, 2012
1
0
A new study from The University of Texas at Austin is helping scientists piece together the ancient climate of Mars by revealing how much rainfall and snowmelt filled its lake beds and river valleys 3.5 billion to 4 billion ...
Space Exploration
Aug 20, 2020
5
355
When it comes to global warming's one-two punch of inundation and drought, the presence of too much water has had the most impact on U.S. agriculture this year, with farmers across the Midwest swamped by flooding throughout ...
Environment
Aug 23, 2019
1
324
Once an ominous harbinger of hard times and even famine due to critically low water levels, a massive "hunger stone" embedded deep in the Elbe River has reappeared in the Czech Republic after Europe's long, dry summer.
Environment
Sep 10, 2018
0
27
Six of our nine planetary boundaries have now been crossed—and industrial agriculture are the main culprit. That is what a team of scientists under Johan Rockström reported in an article published in September..
Ecology
Jan 4, 2024
0
94
