It includes striking examples, such as the melting glaciers of Kilimanjaro (the highest mountain in Africa) which have lost 80% of their surface area during the twentieth century due to the combined effects of climate change and human activities.

UNESCO: THEMES

According to a web tool that puts the slick over your home region, the vast area of surface oil is now bigger than Massachusetts, Connecticut and Long Island combined.

CNN: We are all Gulf victims now

When the drilling is finished, water, combined with chemicals designed to reduce friction and serve other purposes, is injected from the surface into the well shaft at very high pressures, thereby fracturing the shale rock formations far below, and making it possible to extract economically the natural gas embedded in the shale.

FORBES: Move up http://i.forbesimg.com t Move down