How the ozone stratospheric layer has been formed?

Why the ozone layer has been damaged?

¿Which are the consequences of it depletion?

What does involve the greenhouse effect? 

Which is the global warming origin?

What effects have been predicted?

Thomas Midgley, American mechanical engineer, invented “the inert refrigerating agents".  Know about this story …

The global warming and it consequences are discussed by the scientific community from ends of XIX century...

A Mexican scientist was Nobel Prize winner of Chemistry in 1995. He is named Mario Molina, your contribution...

This page is the result of the collaboration between the University of Cienfuegos and the New Brunswick Community College – St. Andrews within the framework of the Refrigeration/AC project funded by the Canadian College Partnership Program (CCPP) and the Canadian International Development Agency.

Saint Andrews College, New Brunswick, Canada. January 17- 31, 2006.