How much biochar do I need to bury actually?

Rob Hopkins – co-founder of Transition Towns – has been to Sweden and a publicity event was arranged to effectively remove carbon dioxide from the atmosphere by burying biochar. Here are some Maths Challenges around Biochar and emissions.



Indigenous = of a place Ingenius = very clever Indigenuity = living in a place in a clever, sustainable way Maths can help students makes sense of their world, to start to own it and to start to see ways to live more sustainably. Maths is an important component of indigenuity and teaching maths the … Continue reading

Round walks as teaching tools


More on radius

Children can learn complex mathematics on their own new study suggests

A recent news article on Kurzweil  suggests that  schoolchildren can independently develop strategies for solving complex mathematical tasks, with weaker students proving just as capable as their stronger classmates.