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DeepGreen Metals revises undersea polymetallic nodules resources upwards

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DeepGreen Metals, which is exploring for deep-ocean polymetallic nodules as a lower impact and more cost-effective alternative to land-based mining ( earlier post ), announced an upward revision to the nodule resource reported within the NORI-D exploration contract area held by its subsidiary, Nauru Ocean Resources, Inc.

Nauru 355
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DOE to award $30M to support production of rare earths and other critical minerals from coal-based resources

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The US Department of Energy (DOE) announced up to $30 million to help lower the costs of the onshore production of rare earths and other critical minerals and materials from domestic coal-based resources. ( However, rare earth elements occur naturally, including in domestic coal and coal wastes.

Coal 150
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Raven SR partners with Republic Services to produce commercial green hydrogen from waste in N California, starting summer 2022

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to convert organic waste to produce green hydrogen at a site in Richmond, California. The Raven SR Steam/CO 2 Reformation process also presents a valid alternative to electrolysis converting waste rather than precious and limited water resources for green hydrogen production.

Waste 170
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Goodyear develops 70% sustainable-material tire; NPT on delivery robots

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Initial life cycle assessments demonstrate either reduced carbon emissions compared with current methods of carbon black production or the use of bio-based or waste feedstock sources. Soybean oil is a bio-based resource that reduces Goodyear’s use of petroleum-based products. A high-quality silica has been produced from this waste ash.

Waste 468
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ACU’s NEXT Lab submits application to NRC to build molten-salt research reactor

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million research agreement sponsored by Natura Resources to design and build a university-based advanced molten salt research reactor. The first milestone was completed last year when the Science and Engineering Research Center design was completed. Its completion next summer will mark another milestone.

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Canada launches $1.5B Clean Fuels Fund with call for proposals

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Minister of Natural Resources, made the announcement during the World Hydrogen Technologies Convention hosted by the Canadian Hydrogen and Fuel Cell Association and supported by the International Association for Hydrogen Energy. It also supports feasibility and front-end engineering and design studies. Canada has launched the $1.5-billion

Canada 379
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Study finds high-density, low-rise cities such as Paris may be optimal urban form for reducing life cycle GHG emissions

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There is a growing belief that building taller and denser is better. These results contend the claim that building taller is the most efficient way to meet growing demand for urban space and instead show that denser urban environments do not significantly increase life cycle GHG emissions and require less land. —Jay Arehart.

Emissions 476