Take a look at climate change from another angle. Readers learn about the MISR instrument on the Terra satellite and how it studies Earth. Pupils experience how the multiple cameras give scientists multiple views so they can better study...

Keep within a water budget. Learners find out that less than 2.5% of Earth's water is available to drink—and that there is a fixed amount of water. Scholars read an interesting article comparing the available water to a game of Monopoly...

Wouldn't it be great if all of our documents could be stored on the internet rather than eating up our hard drive space? The concept is 'cloud computing' and this issue provides some concern over this new type of computing.