Articles related to "Sulfur Dioxide"

The new eruption of Mt. Redoubt volcano was anticipated for weeks and started with an increase in seismic activity. Satellite images show large volcanic ash clouds.

From Greenhouse Gases to Acid Rain, the chemistry of the atmosphere is a hot topic. This article summarises the constituents of the air we breath.

In an age of increasing attention to sustainable agriculture and organic farming, we take a quick look at the role of chemicals in wine production.

Yet another large volcanic eruption has provided earth observers with valuable data of volcanic clouds in the atmosphere - the eruption of Okmok Volcano.

Volcanoes have the ability to change Earth's atmosphere. Current eruptions are causing respiratory hazards and past eruptions have caused climate change.

Understanding how acid rain forms, its effects on plants, animals and humans, and how to promote pollution prevention are steps being taken to combat its destruction.

The manufacture and uses of a chemical which is produced in vast quantities the world over.

A beautiful succulent, aloe is very distantly related to agave and yucca. A much closer relative is asphodel.

In the light of Climate Change Agreements and worries over Carbon Footprints, a new technology is being developed which generates cleaner electricity from coal.

Cap and trade relies on the reward and punishment system of free markets to reduce the amount of pollutants emitted by industries worldwide.

Volcanoes can be dangerous to study. Luckily for volcanologists, the vast array of satellites orbiting our planet can provide valuable information from a safe distance.

Often less captivating than erupting geysers and colorful hot springs, fumaroles are fascinating signs of volcanism at work.

After being dormant for over 450 years, Pinatubo erupted on June 15, 1991. The stratospheric cloud from this eruption remained in the earth's atmosphere for three years.

Volcanic activity can produce toxic gas, lava flows, lahars, and earthquakes. History shows us that these hazards can by deadly.

It's intuitive for children to wonder how things work and why things are in nature. Encouraging this type of curiosity can create future earth scientists.

Sulfites are added to many processed foods and beverages as preservatives. While safe for most people, they can cause allergic reactions in some, especially asthmatics.

"Corporate Consciousness" does not equal "Sustainability". Sustainability relates to the 3 "E's" - Environmentally Sound, Economically Feasible and Socially Equity.

In 1948, smoke ran like water in the Monongahela Valley and caused residents to die while others fled their homes in order to protect their health.

As the proposed revisions to standards of ground-level ozone pollution go into effect in 2008, understanding how ozone affects health and climate change is important.

Antarctica is most well-known for its glaciers and penguins, but this snow-covered continent is very much alive with geothermal and volcanic activity.

Should the environment be sacrificed if it benefits the local economy? Icelandic doc Dreamland, which had its international premiere at IDFA, tackles the question.

The carbonation in soda pop drinks has made brand names of Coca-Cola and Pepsi, but soda predates those two mega-brands.

A group of businesses in Germany are leading a European Union effort to develop a viable commercial passenger ship that runs on hydrogen.

Pilots report that the August 7th, 2008 eruption of Kasatochi Volcano, Alaska, produced high-altitude ash clouds that presented hazards to aircraft.

As high fuel costs become a permanent result of world economic, political, and environmental conditions, choices such as sail power become a viable option.

"Cash for Clunkers" (updated to be C.A.R.S. or Car Allowance Rebate System) plan to help American new car buyers get cash for U.S. clunker cars getting low mileage - MPG.

It is vitally important to be aware of the six most common and dangerous air pollutants, and their hazardous health effects and environmental impacts.

Traditional sources of energy, such as coal, oil and gas have serious consequences for the environment. Energy production and use can have serious environmental impacts.

Unlike other fossil fuels, there is a plentiful supply of coal. Using carbon capture and CO2 sequestration could help clean up coal as an energy source.

What are the causes of land pollution, and what are the effects of pollution on our rivers and oceans? What are the land pollutants that may find their way to water?

Cap-and-trade energy management programs launched in Europe have not proven to be effective in controlling carbon emissions, and have been costly to implement.

Geologists have identified several types of volcanic hazards. During an eruption, many of these processes can happen at once.

A guide to the Air Quality Index, a valuable tool to air quality data and assessing health concerns. Examine how weather and the seasons affect the quality of air.

Volcanic processes provide insight into volcanic activity and impending eruptions. The tools used to monitor these processes aid in hazard awareness.

Preservatives are a type of additive, which can be natural or artificial. Preservatives are found in many of the foods you commonly eat.

The decline in the quality of air people breathe today is investigated by students to determine how smog is formed from carbon-based materials.

Students complete an inquiry-based investigation into the effects of acid rain on vegetation using control and experimental groups of plants.

Tobacco is a universal allergen for humans. The body's physical compensation for allergies is called "addiction." Allergy testing is key to beating allergic addictions.

This is a hands-on, minds-on approach to providing students with a concrete model of the earth's atmosphere to visualize the gases that comprise the atmosphere.

In a nod towards environmental stewardship, ski resorts are buying renewable energy credits, mostly wind power, to operate their lifts and more.

Washington bids troops goodbye; Ellington jams the Cotton Club; 4,000 die from London smog. These and many other events shaped history on this day, December 4.