1 Living in Japan: Why isn't Yuna able to play the sport she loves?
2 Holes in the landscape: Why should we be concerned about sinkholes?
3 Is fracking all that it's cracked up to be? Is fracking a sustainable solution to the UK's energy security challenge?
4 Almost Armageddon! Why did the earth nearly die at the end of the Permian period?
5 Disasters and risky places: Are Haiti and the Philippines risky places to live?
6 Don't snatch: How is so-called 'land grabbing' affecting Africa?
7 Olympic spirit: Where should the 2022 Winter Olympics be held?