Glossary S
Deutsch: Substanz / Español: Sustancia / Português: Substância / Français: Substance / Italiano: Sostanza /
In the environment industry, a substance refers to any material that has a distinct chemical composition and properties. Substances can be either natural or man-made, and can be found in solid, liquid, or gaseous form.
Deutsch: U-Bahn / Español: Metro / Português: Metrô / Français: Métro / Italiano: Metropolitana
Subway in the environmental context refers to an underground urban transit system designed to transport passengers efficiently across city areas, reducing traffic congestion and contributing to lower Carbon emissions. Subways are an essential Component of public transportation infrastructure, promoting sustainable urban mobility by offering an alternative to car travel, which helps decrease Air Pollution and fossil fuel consumption.
Deutsch: Schwefel / Español: Azufre / Português: Enxofre / Français: Soufre / Italiano: Zolfo
Sulfur or sulphur (see spelling differences) is a chemical element with symbol S and atomic number 16. It is an abundant, multivalent non-metal. Under normal conditions, sulfur atoms form cyclic octatomic molecules with chemical formula S8. Elemental sulfur is a bright yellow crystalline solid when at room temperature.
Sulfur dioxide (SO2) is a heavy, smelly gas which can be condensed into a clear liquid; used to make sulfuric acid, bleaching agents, preservatives and refrigerants; a major source of air pollution in industrial areas.
Deutsch: Schwefelsaurer Regen / Español: Lluvia ácida sulfúrica / Português: Chuva ácida sulfúrica / Français: Pluie acide sulfurique / Italiano: Pioggia acida solforica
Sulfuric acid rain refers to a form of acidic precipitation primarily caused by the atmospheric oxidation of sulfur dioxide (SO₂) into sulfuric acid (H₂SO₄), which subsequently dissolves in water droplets. This phenomenon is a subset of acid rain, distinguished by its dominant sulfuric acid component, and poses significant environmental and structural risks due to its corrosive properties and ecological impact.
Sulphur in the environmental context refers to a chemical element with the symbol 'S' and atomic number 16. It is a naturally occurring element found in various forms in the environment and is an essential element for life. In environmental discussions, sulphur is often associated with its compounds, particularly sulfur dioxide (SO2) and hydrogen sulfide (H2S), which can have both beneficial and detrimental effects on ecosystems and human health.
In the environmental context, the term 'sun' refers to the star at the center of our solar system, which provides light and heat energy to Earth. The sun plays a crucial role in various environmental processes and has a significant impact on climate, weather patterns, and ecosystems.