While there is good agreement between similarly calibrated spectroradiometers, this may not be true when comparing different types of instruments-spectroradiometers, broad-band meters, filter radiometers. ... However, ground level measurements indicate that this difference may be even higher, probably due to lesser atmospheric pollution in the southern hemisphere. ... Yet the effects of clouds, increasing troposphere ozone and aerosol pollution of the lower atmosphere modify this relationship making the detection of long-term trends in UVR related to ozone depletion difficult to elucidate. L...

• Word Count: 1264
• Approx Pages: 5
• Grade Level: Undergraduate

In urban areas, pollution and environmental contamination are more common than that if their rural counterparts. This pollution caused by populated cities could then inadvertently affect rural areas due to contamination of ground soil and the air we all breathe. ... There are many different types of sources that have contributed to the overall global climate change crisis. ...

• Word Count: 1162
• Approx Pages: 5
• Grade Level: Undergraduate

Several factors can affect the emissions per person in a state, for example, the types of fuel used to generate electricity, population and vehicle miles traveled ,and whether fossil fuels are extracted or processed within the state. ... The other 68% of emissions are affected more by the types of industries in the U.S., the types of offices we use, how our food is grown, and other factors. ... Many of these places depend on a delicate balance of rainfall, temperature, and soil type. ... Indirectly, ecological disturbances, air pollution, changes in food and water supplies, and coastal floo...

• Word Count: 3240
• Approx Pages: 13
• Grade Level: Undergraduate