Editor’s Note: This story was identified by Call to Earth guest editor Rodrigo Pacheco. He is a chef who grows sustainable food at his restaurant and creative permaculture project in Ecuador, and he ...

Scientists in Ghana have developed a device that combines a conventional solar PV-powered steam cooker with sand-based thermal energy storage. The system can achieve a thermal efficiency of 38.9% and ...

If you liked this story, share it with other people. The ten 2021 winners of the Keeling Curve Prize for climate change solutions are recognized for innovations in grid-scale energy storage, e-bikes, ...

Green chillies roasted with concentrated sunlight could pave the way for more environmentally friendly and economical food processing. New Mexico is famed for roasted green chillies with a distinctive ...

With LPG cylinder prices rising and supply concerns in many areas, households are actively looking for smarter and more reliable cooking options. The need for an affordable and sustainable alternative ...

If you liked this story, share it with other people. Much of Mexico gets 300 days of sunshine out of the year which is helping make the country a solar energy pioneer. With the current government ...

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Even at the ripe of age of 79, I am living proof of the old adage, “You learn something new every day.” Recently, I was visiting someone who had a solar cooker on her deck. I don’t think I’d ever seen ...