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By Laura Paddison, CNN (CNN) — The water cycle you were taught in school is being thrown off balance by fossil fuel pollution, bringing a host of dangerous consequences including shrinking rivers, disappearing glaciers and wild swings between floods and drought, according to the World Meteorological Organization’s annual analysis of global freshwater. The water cycle

By Kate S. Petersen, CNN (CNN) — A bipartisan group of lawmakers on Capitol Hill is pushing back on a seismic shift in US environmental regulation that experts say exposes previously protected endangered species’ habitats to destruction from land use such as logging and real estate development. In July, the Trump administration repealed a 50-year-old

By Taylor Nicioli, CNN (CNN) — Scientists have suspected for nearly 60 years that Tyrannosaurus rex was warm-blooded. When a fossilized footprint of T. rex turned up in Alaska in 2022, it added to the evidence that these predators could thrive in frigid environments, where most cold-blooded reptiles could not. Now, researchers have put a

By Ashley Strickland, CNN (CNN) — The prehistoric remains of two foragers found on the Indonesian island of Sulawesi contain telltale signs that humans began using a mind-altering drug thousands of years earlier than known. The betel nut, a fruit seed from the areca palm, is considered the fourth most widely used psychoactive substance in

By Laura Paddison, CNN (CNN) — As blistering temperatures baked London this summer, people started to notice strange things happening to their houses: zig-zagging cracks suddenly appeared across walls, doors got stuck, windows warped. Extreme heat brings many problems for a country not built for it: Schools close, train tracks buckle and — it turns

By Andrew Freedman, CNN (CNN) — Earth just had its hottest August on record and tied the benchmark for the hottest month ever recorded since at least 1940, according to the Copernicus Climate Change Service, a European climate monitoring agency. The global average temperature during August was 62.53 degrees Fahrenheit (16.96 Celsius), which was 1.53

By Andrew Freedman, CNN (CNN) — The United States just had its hottest summer in 132 years of recordkeeping, soundly beating the summer of 1936 — during the Dust Bowl era — as well as the summer of 2021, according to data released Wednesday by the National Oceanic and Atmospheric Administration. Previously, those two years

By Katie Hunt, CNN (CNN) — Archaeologists excavating a cave in southwestern China have unearthed fossilized remains that belonged to an enigmatic population of extinct hominins, revealing new details about their long-lost way of life. The new haul — which includes four teeth, part of an arm bone and two skull fragments — brings the

By Laura Paddison, CNN (CNN) — Wildfires are ripping across parts of Indonesia, destroying precious peatland and smothering the country in a toxic smoke so thick, people are struggling to breathe. With months of wildfire season still remaining, experts warn this could end up one of the country’s worst. Blazes have been raging for many

By Katie Hunt, CNN (CNN) — The largest dinosaurs that ever lived were able to reproduce at high latitudes — or regions far from the equator — and came up with a clever strategy to keep their eggs warm, a study of a trove of titanosaur eggs unearthed in Argentina has revealed. Most titanosaur eggs

By Laura Paddison, CNN (CNN) — One company has a simple-sounding plan to help save the planet: take a food additive and the mineral that makes eggshells hard, produce tiny particles out of them, spray them into the atmosphere and cool the world. Stardust Solutions, an Israeli-US company founded in 2023 and led by two