"Hydrogen is the most abundant element in the universe but is usually found in compound form. It can be extracted from a variety of sources, including water, fossil fuels and biomass but this requires energy and can release carbon dioxide into the atmosphere. Geologic hydrogen — or natural hydrogen — is pure hydrogen, generated through water-rock interactions deep in the Earth’s subsurface without active stimulation, the researchers said."
"The power-storing building material could also help to offset some of the air pollution generated by the cement industry, widely reported as spewing 5-8% of worldwide planet-warming gas pollution. Those harmful, heat-trapping fumes are contributing to a warmup that is impacting even classroom performance, according to the Environmental Protection Agency."
"Expanding algae as a cooking-oil ingredient seems promising despite the energy required to heat up fermentation tanks, says Stanford University sustainability professor Steven Davis, who studies agricultural emissions. Fermenting algae is likely to use less water than traditional agriculture while limiting CO2 emissions and the need for fertilizers, he says. Algae can also flourish in many different types of environments, Davis adds. 'If we can reduce the demand for conventional land-based oils, that could be a big win.'"
"To extract enough heat in places with cooler rock, geothermal developers must drill 15,000 feet or deeper, which is more expensive. Faster drilling helped the oil and gas industry dig deeper to squeeze more profits out of shale rock, and analysts expect geothermal drilling speed to similarly improve."
"Most of H&M’s clothing is made in Asia, led by China and Bangladesh. The company works directly with 574 suppliers that operate 1,027 factories across Europe, Asia and North America."
"The team used a 3M solution of LiPF6 electrolyte dissolved in a 1,3-dioxane and dimethoxyethane solution mixed with a volumetric ratio of 1:3. The unique chemical formulation helps form a solid-electrolyte interphase (SEI) that holds together silicon particles, even when they are fractured during charge-discharge cycles. This aids in maintaining the ionic conduction and keeping unnecessary reactions to a minimum."
Scientists at the University of Cambridge have been testing ways to make activated charcoal absorb carbon dioxide.
"Savor is confident that its technology can be used to make butter and multiple other animal-derived fats, such as milk and cheese. The company also plans to use this approach to make ice cream and edible oils."
"Other solutions to obtain more of these metals are retrieving them from discarded devices and shifting sourcing to friendly nations and away from geopolitical rivals or unstable countries, analysts say. For now, there is only a handful of critical or rare earth mineral mines in the United States, although many more are being proposed."
The private sector is promoting solutions to bolster the grid and provide reliable power to consumers and businesses.
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