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Researchers using ORNL Jaguar supercomputer for simulations to develop improved gasifiers

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Simulation of a coal jet region. Multiphase refers to the process of changing a solid (in this case, coal) to a gas (syngas). The program allocates hours to large-scale, computationally-intensive research projects in a range of areas including fusion, climate, and materials. Image credit: Chris Guenther, NETL.

Coal 186
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A Skeptic’s Take on Beaming Power to Earth from Space

Cars That Think

The thousands of rocket launches needed to loft and maintain these space power stations would dump lots of soot, carbon dioxide, and other pollutants into the stratosphere, with uncertain climate impacts. In that respect, beamed power from space is like nuclear fusion, except at least 25 years behind.

Power 133
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2022—The Year the Hydrogen Economy Launched?

Cars That Think

Among the technological visions that seem perpetually futuristic (think commercial nuclear fusion and maglev trains), the hydrogen economy has always been tantalizing. In short, it could do anything fossil fuels do now, but with substantially reduced climate impact.

Hydrogen 109
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Perspective: Why Carbon Emissions Should Not Have Been the Focus of the UN Climate Change Summit and Why the 15th Conference of the Parties Should Have Focused on Technology Transfer

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Experts predict that by the year 2060 global warming, if left unchecked, could result in a temperature rise of seven degrees Fahrenheit higher than temperatures before the Industrial Revolution when man started widespread use of coal and other fossil fuels. Reductions in Emissions. C to 2 °C above pre-Industrial Revolution levels.