Wednesday, August 27, 2008

Water Pollution Slideshow 4 : Ocean Pollution, Coastal Pollution and Oil Spills

Water Pollution Slideshow 1 : The introduction and the problem

Water Pollution Slideshow 3 : Point and Non-point sources, Natural Restorative Properties of Rivers, Cleanup of Lakes and Biomagnification

Water Pollution Slideshow 2 : Different pollutants

Magnetic cows

There is a very interesting article at Nature.com about Cows and how
they more often than not align themselves North to South. It is
believed that the cows can sense the magnetic field of the Earth.

Follow the link to read the full article:

http://www.nature.com/news/2008/080825/full/news.2008.1059.html

A star set in Ice

There is a very interesting article at Nature.com about a discovery of
a disk of debris around a star.

The following abstract was taken from the site:
'Astronomers have spotted a disk of dust and ice ringing a young Sun-
like star 165 light years away. The icy signature of the disk and the
collisions between bodies inferred to be taking place there suggest it
is similar to the Sun's Kuiper belt, a disk of small icy bodies that
extends beyond Neptune."

You can read the article at http://www.nature.com/news/2008/080822/full/news.2008.1058.html

Marking of Environmental management 1 (EMG101Y) homework

I am halfway through marking the Environmental management 1 homework.
I am fairly pleased with the marks you are getting so relax until I am
done.

I have put out a A5 page with the questions that I would like you to
do for the next chapter on water pollution. The questions originally
had to be in on Thursday but you can hand it in on Friday if you want
to. Please know that I am taking the time to mark it so you will get
marks for it. Do it well.

I will tell you what you will be writing about in your Semester Test
next week in class tomorrow. In the mean time you can begin going
through your work on Renewable energy and Energy Efficiency, Water
Pollution and Air pollution, which is the topic for tomorrow's class.

Rudolph