thematic lessons
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
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
