what are the types of clouds and their effects to our environment?????????????/?

Answer 1

What is a cloud:
Cloud A hydrometeor consisting of a visible aggregate of minute particles of liquid water or ice, or both, suspended in the free air and usually not touching the Earth's surface. It may also include larger particles of liquid water or ice (precipitation particles) and non-aqueous liquid or solid particles such as those present in fumes, smoke and dust (aerosols). Cloudiness is the same as cloud cover; but usually it is used in a very general sense.

There are many types of clouds, for example:
Stratus (St) A principal low-level cloud type (cloud genus) in the form of a low-altitude, light to dark gray cloud layer with a rather uniform base. Stratus clouds are generally diffuse and dull. This cloud formation has little structure and looks like fog, except that it is above the ground. Stratus does not usually produce precipitation, but when it does occur it is in the form of minute particles, such as drizzle, ice crystals, or fine snow grains.
The types of clouds are:
cumulus
stratus
cirrus
nimbus
cumulus
altostratus
cirrus
cumulonimbus

;-D Look up the types of clouds here:
http://www-nsidc.colorado.edu/arcticmet/glossary/

Answer 2

Here are three good articles from Wikipedia that may help:
http://en.wikipedia.org/wiki/List_of_cloud_types
http://en.wikipedia.org/wiki/Global_brightening
http://en.wikipedia.org/wiki/Cloud