more about “ Sir Ken Robinson: Do schools kill cr…“, posted with vodpod

more about “ Sir Ken Robinson: Do schools kill cr…“, posted with vodpod
more about “ Alex Steffen: Inspired ideas for a s…“, posted with vodpod
Our vision – 80% emission reductions by 2020.
A sustainable city is an entire city dedicated to minimizing the required inputs (energy, water and food) and its waste output (heat, air pollution as co2, methane, and water pollution.) A sustainable city can feed and power itself with minimal reliance on the surrounding countryside. It creates the [...]
Walking home from the cinema the other night, we looked way up and saw a ‘moon dog’ or halo around the moon. It’s an optical phenomenon due to the refraction of light on ice crystals suspended in the atmosphere. They are often visible in winter when there is thin, high cloud. [...]