Deutsch: U.S. Geological Survey / Español: Servicio Geológico de los Estados Unidos / Português: Serviço Geológico dos Estados Unidos / Français: Service Géologique des États-Unis / Italiano: Servizio Geologico degli Stati Uniti
The U.S. Geological Survey (USGS) is a scientific agency of the United States government. It is dedicated to the study of the natural resources and the natural hazards that threaten the country. In the environmental context, the USGS plays a critical role in researching and providing data on various aspects of the Earth's surface, natural resources, and ecosystems. It conducts comprehensive studies on water, biological, energy, and mineral resources, and assesses the health and stability of our environments and ecosystems. The agency's work includes monitoring changes in the landscape, studying the impact of climate change, and providing essential data for the management and conservation of natural resources.
Deutsch: Ultraviolettstrahlung / Español: Radiación ultravioleta / Português: Radiação ultravioleta / Français: Ultraviolet / Italiano: Radiazione ultravioletta
Ultraviolet (UV) light is electromagnetic radiation with a wavelength from 400 nm to 10 nm, shorter than that of visible light but longer than X-rays.
Page 1 of 2