Concerned researchers project global solid waste to peak at 11 million tons per day in 2100
Study reveals important environmental trade-offs for biogas production on dairy farms
There is increasing interest in on-farm anaerobic digestion (AD) in the UK to manage animal manures and food waste, and to generate renewable electricity and heat via combustion of biogas.
Starting fire with water
When firefighters want to extinguish a blaze, they often douse it with water. Astronauts on board the ISS, however, are experimenting with a form of water that does the opposite. Instead of stopping fire, ...
US military to make jet fuel from algae
In Austria, heat is 'recycled' from the sewer
Vast amounts of hot water from household appliances, businesses and factories gurgle down the drain every day, wasting not only H2O but also another precious resource: heat energy.
Modern alchemy leaches gold from water
A small French start-up company is selling a technology with a hint of alchemy: turning water into gold.
Hunt for water intensifies—on two planets
(Phys.org) —Scientists are using a promising new theory to track down hidden water both on Earth – where fresh water is becoming dangerously scarce in some regions – and in the quest for life on the red planet, Mars.
Streams stressed by pharmaceutical pollution
Pharmaceuticals commonly found in the environment are disrupting streams, with unknown impacts on aquatic life and water quality. So reports a new Ecological Applications paper, which highlights the ecolog ...
Scientists show how cracks propagate through thick and thin layers of frozen liquid water
Whether gas trapped under a frozen water layer flows through cracks or bursts out depends on the layer's depth and temperature, according to scientists at Pacific Northwest National Laboratory. The water ...
Scavenging energy waste to turn water into hydrogen fuel
(PhysOrg.com) -- Materials scientists at the University of Wisconsin-Madison have designed a way to harvest small amounts of waste energy and harness them to turn water into usable hydrogen fuel.
'Waste heat' may economize CO2 capture
In some of the first results from a federally funded initiative to find new ways of capturing carbon dioxide (CO2) from coal-fired power plants, Rice University scientists have found that CO2 can be removed ...
A urine based 'potion' can act as a CO2 absorbent (w/ Video)
The ocean, the ground, rocks and trees act as carbon drains but are far from places where greenhouses gases are concentrated, especially CO2. A Spanish researcher has proposed human, agricultural and livestock waste, suc ...
Biofuel waste product recycled for electricity
A by-product of biofuel manufacture can power microbial fuel cells to generate electricity cheaply and efficiently, according to scientists presenting their work at the Society for General Microbiology's ...