thematic lessons
Case: Grandma complains BIODIVERSITY The lesson/
“Jenny is staying with her grandparents. The weather is good, so they walk in the countryside near their home. Suddenly Granny starts complaining: it is springtime, but much too silent. When she was young, there were many birds singing in… read more
Climate change and biodiversity 2: finding solutio..
Different scientists are concerned about different problems: ecologists worry about the diminishing biodiversity. Rightly so: the famous biologist Paul Ehrlich of Stanford University calculated in 2017 that today 50% less animals walk, swim, fly, creep on this planet than a… read more
Climate change and biodiversity 1
We hear much talking about climate change – and we experience changes in our local weather, probably resulting from the global changes. The other actual and global problem, loss of biodiversity, gets less attention, but may be more severe in… read more
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
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