In a new study, researchers have developed a low-cost and eco-friendly method to extract gold from electronic waste using the leaves of the plant Lagerstroemia speciosa, commonly called the Pride of India. They have applied the principle of biosorption—the ability of biological materials in an aqueous solution to bind with heavy metals—to extract gold from wastewater.
Satellite analysis confirms rising temperatures and wind patterns are driving aerosol spikes across India, with a record high in 2022 following the historic lows of the COVID-19 lockdown.