thematic lessons
Fight insects without poison
Insects are the largest group in the animal kingdom. They are living everywhere (except in the sea) and play important roles in all ecosystems. No wonder they are also around us – and sometimes a nuisance. There are many ways… read more
Global worming (the lesson)
Read the text ‘global worming’ and answer the questions. If possible do the experiment.
1. Why are people worried about the CO2 in the atmosphere
2. What are the causes of the rising of the CO2 in recent times? (give… read more
BlueHelmets for climate change?
BlueHelmets
‘BlueHelmets’ (or Blue Barets) are soldiers of the UN being sent to countries where people have problems because of armed conflicts. Maybe you are considering to become a BlueHelmet in the future to help building a better world. Perhaps… read more
Where is the superfood? (The lesson)
About one billion people are starving to-day, nearly one in six! Because the human population is still growing and natural resources are depleted more and more, this number will only grow, more people will die of starvation – unless something… read more
On farm anaerobic digesting
Anaerobic Digestion is one of the more promising biological technologies for sustainable waste management. It has the potential to turn a large and worsening agro-headache into a growing opportunity for sustainable farming. It can extract useful biogas energy and… read more
