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Links: Environmental Issues
Browse the links database by topic:
Environmental Issues
Ozone
Sections include proposed reactions for the formation and distruction of ozone, halogen catalysis of ozone degredation, and the removal of chlorine from the atmosphere. Links to articles and technical papers about ozone depletion. Sites with pictures of the ozone hole are also present.
Effect of air conditioners on the ozone layer, list of ozone-depleting substances, list of substitutes for ozone depleting substances, glossary of common terms.
Polar images of total ozone levels in northern and southern hemispheres. Archival images back to 1995.
Lists physical properties of ozone along with a discussion of its chemical properties and some specific reactions. Click on MOTM Bristol and scrool down to ozone.
United Nations assessment of scientific findings and observations of the ozone layer reported in June 1998.
Daily ozone images, ozone archives, UV absorbing aerosols, latest news...
Health Risks
An overview of the dangers of lead in the environment. Includes sections on lead ingestion, risk assessment, primary sources, lead in drinking water, lead in ceramicware, screening and treatment, etc.
Mercury is ubiquitous in the environment, and in our mouths in the form of "silver" amalgams. Once introduced to the body through food or vapor, mercury is rapidly absorbed and accumulates in several tissues, leading to increased oxidative damage, mitochondrial dysfunction, and cell death. This article gives an in-depth overview on the sources of mercury and the adverse effects on the body. There is a long list of (paper) references.
Structure, sources, chemical properties, and heath effects of Dioxin.
Structures of the herbicides 2,4-dichlorophenoxy acetic acid (2,4-D) and 2,4,5-trichlorophenoxy acetic acid (2,4,5-T) that were used in a mixture better known as "agent orange" to defoliate the forest in parts of South Vietnam.
Energy Related
Summarizes the advantages ans the disadvantages of the following energy sources: coal, nuclear, hydroelectric, gas, wind, solar, refuse-based, and biomass.
Atmospheric Chemistry
Graph of concentration of atmospheric carbon dioxide (CO2) covering 800 to 1990 period.
Studies show that nitrous acid (HNO2) forms on soot. Click on September 14 issue.
Waste Treatment
Includes links to a book and a periodical list, association & organization listing, treatment technology basics, treatment system implementation outline, and comments.
Covers both industrial and municipal sludge treatment. Includes an extensive list of wastewater treatment plants and a number of industrial flow charts.
Nuclear Issues
Environmental Protection agency's homepage.
Satellite images, sea surface temperatures, volcano watch.
Global Warming
Click on Climate Change Science for plots of temperature changes since the 1880's, effects of greenhouse gases on global temperature... Lots of information with accompanying text. Fair graphics.
Links to current articles and press releases regarding global warming. Climate change, acid rain, air pollution, incineration technology...
Graph of global mean temperature covering 1880 to1995 period.
Odds and Ends
Very basic pictorial representation of the effects of acid rain on European forests.
Discussion of the Diesel engine's role versus other internal combustion engines with emphasis on emissions (particulates and nitrogen oxides) and efficiency.
Hydrogen is a clean and renewable source of energy but storing it is tricky.
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