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Nestled beside the vast waters of the Hirakud Reservoir, Debrigarh Wildlife Sanctuary is one of Odisha’s remarkable landscapes where forests, wetlands and wildlife exist in close connection. Spread across a rich dry deciduous ecosystem, the…

Tourism connects people with nature, but every journey leaves an environmental footprint. Transportation, accommodation, food, water consumption and waste all require energy and natural resources. Large numbers of visitors can also place…

Offshore oil drilling supports energy production but can place pressure on marine ecosystems through underwater noise, habitat disturbance, waste discharge and the risk of oil spills. Its wider environmental impact also includes…

Animal testing has contributed to important advances in medicine, product safety and environmental research, but scientific progress is providing alternatives that can reduce its use. Human cell cultures, organoids, organ-on-chip systems…

### Excerpt Nuclear energy is a low-carbon source of electricity that can provide reliable power without the direct emissions associated with burning fossil fuels. However, it also involves significant risks, including severe nuclear…

Carbon taxes place a financial cost on greenhouse-gas emissions and can encourage high-polluting companies to reduce fossil-fuel use, improve efficiency and invest in cleaner technologies. Evidence indicates that carbon pricing can…

Quantum biology examines how specific quantum phenomena contribute to biological processes. Electron tunnelling is an established part of molecular electron-transfer reactions, while quantum mechanical effects are fundamental to…

Nepal is continuing rescue and relief operations after a devastating flash flood affected several parts of the country. Hundreds of people have died or remain unaccounted for, while roads, bridges, homes and other infrastructure have been…

### Excerpt > **Echolocation** is a biological sensing system in which animals produce sounds and analyse the returning echoes to understand their surroundings. Bats and toothed whales use this ability to detect objects, estimate…

### Excerpt > Quantum sensors use the properties of atoms, electrons and other quantum systems to measure magnetic fields with exceptional sensitivity. Technologies such as atomic magnetometers and nitrogen-vacancy centres in diamond…