What causes wind?
By: Marvin Somers
Wind is caused by energy from the sun and the rotation of the earth. There are many other influences on wind that help to mould its speed and direction but it is these two forces that are responsible for the flows. Wind is the flow...
By: Elizabeth M Young
The Federal Emergency Management System (FEMA) in the US recognizes 17 types of natural disasters. They are: Chemical emergencies, dam failures, earthquakes, wildfires, floods, hazardous material incidents, heat, hurricanes, landslides, nuclear power plant emergencies, terrorism, thunderstorms, tornados, tsunamis, volcano eruptions, and winter storms. But there...
By: Bruce Tyson
As European air travel returns to normal and as passengers slowly begin making their way home, we may not have heard the last about the Icelandic volcano Eyjafjallajokull yet. Scientists have discovered disturbing evidence that the seismic activity from Eyjafjallajokull may be activating a nearby...
By: Elizabeth M Young
Throughout the world, agricultural workers encounter an amazing number and variety of environmental exposures to hazards that are both anthropogenic and natural. From plant dust to mosquito borne disease; from soil and water borne pathogens to pesticide and ticks; from excessive cold to excessive heat:...
By: Elizabeth M Young
There are so many environmental exposures that affect human and animal health in so many ways that it is impossible to cover them all. One fruitful way to provide a project that will educate and inform is to use the EPA EnvironMapper for a guide...
By: Leigh Goessl
Many members of the scientific community across the globe have been carefully monitoring Iceland's volcanoes. Since the March and April 2010 eruptions from Eyjafjallajökull, activity watch has been even more intensified as there is real concern other nearby volcanoes such as Katla and Hekla...
Ways to beat the heat in summer 2010
By: Victoria Rose Perkins
The Center for Disease Control and Prevention indicates some 400 Americans die each year due to heat-related causes. Summer weather can mean fun in the sun, but when the sun is sweltering due to a heat wave, or just the dog days of August, or...
Depletion of the Ogallala Aquifer
By: Alicia M Prater PhD
The Ogallala aquifer was named for Ogallala, Nebraska in 1898, but it actually lies under 225,000 square miles of the Great Plains of the U.S., 800 miles long from North to South and 400 miles wide, including eight states: southern South Dakota, most...
Why did the UK have so much snow in early January 2010?
By: Marvin Somers
There has been much debate over the causes of excessive snow in the winter of 2009 and 2010. Much of northern European experienced a colder than average winter and many meteorologists have put this down to the El Niño phenomenon in the South Pacific...
How will the environment of space affect human evolution?
By: Marvin Somers
The human imagination is prone to wild embellishments. Only a few decades ago science fiction writers were confidently predicting that we would be moving around in flying cars; others have confidently predicted that we will be colonising planets by the end of the 21st century...

 

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