thematic lessons

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

Making sense of geothermal energy

July 19, 2007 — From: the Globe Foundation of Canada Geothermal, or earth energy, is perhaps the most underutilized renewable source of energy. Whether using the earth’s naturally stable temperature to provide heating and cooling, or harnessing extreme heat from… read more

Growing food in the city 2

There are a lot of problems with our existing food production system. Consider: the average mouthful of food of Americans has travelled 1,500 miles before reaching our plate, losing nutrition and flavour while consuming an incredible amount of energy. The… read more

Growing food in the city

An example of people in a big city reducing their footprint, making the climate more comfortable and getting cheap and healthy food. This is possible in many places. In Havana they have already much experience: A project from Havana, Cuba… read more

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