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Why is Hydroelectricity So Green, and Yet Unfashionable?

Cars That Think

I live in Manitoba , a province of Canada where all but a tiny fraction of electricity is generated from the potential energy of water. There is no end of gushing about China’s cheap solar panels—but when was the last time you saw a paean to hydroelectricity? Instead, that pure status is now reserved above all for wind and solar.

Green 103
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Environmental Charter High School Gets Solar; Greenius Goes EcoMedia

Creative Greenius

Alison Diaz (with scissors) along with ECHS staff and supporters about to cut the ribbon in front of Environmental Charter High School's new solar-powered greenhouse. Aquaculture (fish farming) and hydroponics (growing plants in water) becomes aquaponics when combined. photo by Glenn Marzano). and “How am I Powerful?”.

Solar 150
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Generating Power on Earth From the Coldness of Deep Space

Cars That Think

On the rooftop of a quiet building, a set of panels cools the rooms within and keeps the lights on, removing heat and generating electricity using the coldness of the sky. That cold isn’t in the air around the building—the night is warm. Consider solar radiation, which carries heat from the sun to Earth’s surface.

Power 136
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Thermal Energy Storage Is No Longer Just Hot Air

Cars That Think

The company is building these shipping container systems, which work like giant batteries that store energy as heat and pressurized air , rather than a chemical reaction (Cheesecake’s name is derived from a nerdy acronym for their technology.) That’s why Liu’s Thermal Energy Storage Group at ORNL is focused primarily on buildings.

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DOE announces $11.5M in Phase 1 funding for carbon capture and storage program; ARPA-E FLECCS

Green Car Congress

Later in the program, teams that move to Phase 2 will focus on building components, unit operations, and prototype systems to reduce technical risks and costs. The post-combustion outlet gas is more easily separated into water and CO 2 to the pipeline, thereby lowering the electricity costs of grids with high levels of VRE.

Carbon 333
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ORNL assessment finds >65 GW of untapped hydropower in US rivers and streams

Green Car Congress

The greatest hydropower potential was found in western US states, including Alaska, California, Colorado, Idaho, Montana, Oregon and Washington. Some of the environmental, technical and socioeconomic factors variables included: Endangered species; Federally protected lands; Water use and water quality concerns; Fishing and boating access.

Missouri 207
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CU-Boulder team develops more efficient isothermal solar-thermal water splitting technique for H2 production

Green Car Congress

A University of Colorado Boulder team has developed a new solar-thermal water-splitting (STWS) system for the efficient production of hydrogen. STWS cycles have long been recognized as a desirable means of generating hydrogen gas (H 2 ) from water and sunlight, the team notes.

Water 285