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thematic lessons

Trees and climate (the lesson)

Read Trees change their anatomy as drought persists Trees depend on climate as every living creature does, but they also  can adapt to change, and may be help prevent climate change. Questions: The observed changes: 1/ narrower water-carrying vessels, 2/… read more “Trees and climate (the lesson)”

Grasslands, the lesson

The big ecosystems on Earth where people can live are mainly forests and grasslands. Grassland, savanna,  is where our species started and lived maybe 2 million years. Many natural grasslands are now agricultural areas (many forests too). Somehow people seem… read more “Grasslands, the lesson”

Can urban gardeners benefit ecosystems while keepi..

Do you live in a city? Do you have a garden? Or a balcony full of plants? Many people do not realize that it is possible to grow food in a city garden or even on a balcony. Urban gardens… read more “Can urban gardeners benefit ecosystems while keeping food traditions alive?”

Wasted food

How often do you throw away good food? When you live in a rich country possibly often, when you live in a poor country may be never… Worldwide about one third of the produced food is wasted. This means also… read more “Wasted food”

History and/of the environment

It belongs to our time in history to be worried about environment, climate change, ‘plastic islands’ in the oceans, extreme weather, etc. Of course, never before so many people lived on this planet, never before people used so much fossil… read more “History and/of the environment”
Slash and burn agriculture in Amazonian rainforest