ENVIRONMENTAL DRIVERS

Scientists have mapped how carbon isotopes behave in lakes and rivers worldwide, revealing surprising patterns tied to location and climate. By analyzing thousands of water samples from nearly 2, 000 spots, they found that tropical waters tend to show heavier carbon signatures, while cooler regions

Cities are full of hard surfaces like roads and buildings. These surfaces can mess up water quality. A recent study looked at how organic stuff in water changes in cities. It focused on places like Xi'an, China. The study collected samples from different city areas. It found three main types of org