India has launched its first hydrogen-powered passenger train on the Jind–Sonipat route in Haryana, marking a major milestone in sustainable rail transport. Discover how hydrogen fuel cells generate electricity, why the train emits only water vapour, the science behind green hydrogen, safety features, comparisons with diesel and electric trains, and how this project supports India's National Green Hydrogen Mission and Net Zero goals.

Climate change, declining river inflows, and human activities are causing the Caspian Sea to shrink rapidly, threatening biodiversity, regional economies, and millions of livelihoods Caspian Sea Shrinking Raises Global Environmental Concerns The Caspian Sea, the world's largest inland water body, is shrinking at an alarming rate due to a combination of climate change and human activities. Scientists warn that the continued decline in water levels could severely impact biodive