A new waste-to-energy approach could help palm oil mills turn large amounts of agricultural waste into valuable products such as electricity, industrial fuel, and carbon-storing biochar. Researchers reporting in the International Journal of Agriculture Innovation, Technology and Globalisation say the system could help reduce waste, lower greenhouse gas emissions, and create new sources of income […]

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On Thursday, President Donald Trump announced his administration's latest attempt to prop up the US coal industry during an incoherent press event that randomly oscillated between energy issues and Trump's fixation with building and renovating monuments in DC. The energy portion of the events was also frequently disconnected from reality.

"Today we're taking historic action to bring down the price of energy and the cost of living for all Americans with the power of clean, beautiful coal," said Trump, apparently unaware that coal is one of the most expensive means of generating electricity in the US.

With wind and solar power getting cheaper, coal has become the second-most expensive way of producing electricity, trailing only the cost of building a new nuclear plant. As a result, no new coal plants have been completed in over a decade, and coal has gone from powering over half the electrical grid to producing only about 15 percent of the nation's electricity. That's before the indirect costs of coal use are considered. It produces the most greenhouse gas emissions per unit of energy, releases dangerous particulates and chemicals into the atmosphere, and leaves behind ash that has high levels of toxic metals.

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As AI models become cheaper and more attractive, they will likely encourage new uses and higher volumes of use – erasing any efficiency gains.

The generation and evolution of electricity is discussed, highlighting significant milestones from early static electricity experiments to modern AC power generation techniques. Dirty electricity, characterized by high-frequency electrical noise, can lead to health issues. There is a strong need for more research on this electromagnetic pollution and its health impacts.