thematic lessons
Plant life saved Earth from an icy fate
Besides the obvious benefits they bring, it looks like we owe our very existence to plants, which helped prevent the Earth from freezing over during the past 25 million years. About 50 million years ago, Earth was a hothouse –… read more
Wind power
Wind Power for the future
In March 2008 global installed wind power capacity reached 100,000 megawatts. In 2007, wind power capacity increased by a record-breaking 20,000 megawatts, bringing the world total to 94,100 megawatts—enough to satisfy the residential electricity… read more
Biodiversity vital for mankind
For the teacher
An introduction to the importance of biodiversity can be useful as a start: see : THE IMPORTANCE OF BIODIVERSITY TO ECOSYSTEMS AND PEOPLE. (in: Extra information)
Some ecosystems can survive for a long time, others collapse… read more
Angkor Wat: a wake-up-call
PHNOM PENH, Cambodia — A new study of the demise of the ancient city of Angkor is a wake-up call for Cambodia to be more vigilant in its efforts to conserve the site
The study found that Angkor was far… read more
Make Biofuel from Car Fumes
July 19, 2007 — By Michael Szabo, Reuters
QUEENSFERRY, Wales The world’s richest corporations and finest minds spend billions trying to solve the problem of carbon emissions, but three fishing buddies in North Wales believe they have cracked it. They… read more
