Home

thematic lessons

Foxes in northern henhouse

Humans thinking to improve nature can be terribly wrong! A good example of the unexpected effect of human intervening in nature: HOW FOXES IN THE ALEUTIAN HENHOUSE DOOMED ISLANDS’ PLANT LIFE Foxes may not graze, but a new scientific study… read more “Foxes in northern henhouse”

Who needs oil anyway?

Amory Lovins drives a hybrid that gets 64 miles per gallon (=3,7 liter/100km)and lives in a solar-powered house that is so energy-efficient he’s able to grow bananas in an indoor jungle high in the Colorado Rockies. Yet he – he… read more “Who needs oil anyway?”

Easter Island, a lesson for us all

Easter Island is one of the world’s most remote places inhabited by people: 2500 miles from the nearest continent (South America) and 1200 miles from the nearest island (Pitcairn). At the same time it is one of the most enchanting… read more “Easter Island, a lesson for us all”

Water and History

Water for people – through the ages There is plenty of water on earth, but fresh water is rare. Humans are depending on fresh water, personally, but also especially for the production of food. Most human settlements were traditionally started… read more “Water and History”

Wonderbeans

Starvation in many parts of Africa is often the result of exhaustion of the soil. In Western Europe this problem arose in the 19th century caused by a fast growing population. The use of chemical fertiliser solved the problem. But… read more “Wonderbeans”