At over 12,000 feet above sea level, Puno, Peru, ranks among the highest altitude places in the world. So high, food takes longer to cook here. Puno also sits far above the tree line, so there is ...

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 ...

The surge of anxiety over LPG scarcity as a consequence of the US-Israel war on Iran is a good moment to review what India has done with two neglected alternatives—biogas and solar thermal energy.

On Thanksgiving, people from all walks of life and of various culinary skill levels will engage in the tradition of preparing a Thanksgiving Day meal complete with the bird, stuffing, gravy, and all ...