ERTH 20 Lecture Notes - Lecture 10: Smog, Melanoma, Montreal Protocol
13 Oct 2020
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Document Summary
The consequences of human-produced changes in the atmosphere especially global climate change have been a concern for atmospheric scientists for many years. In february 2012, the united states global change research program, issued a report entitled our changing planet. the report offers a blunt assessment of global climate change: Research has shown that climate change is occurring, these changes can be attributed to human activities that climate change poses significant risks for both human and natural systems. Ozone is naturally produced in the stratosphere. A form of oxygen molecule consisting of three atoms of oxygen (o3) rather than the more common two atoms (o2). is created in the upper atmosphere by the action of ultraviolet solar radiation on diatomic oxygen (o2) molecules. (uv) radiation from the sun is divided into three bands. Under the influence of uv-c, o2 molecules split into oxygen atoms; some of the.
