Emirati diplomat Lana Nusseibeh wants to be UN secretary General. So what would she change if she became the first woman to lead the UN?

Meanwhile as beaches across the northern emirates remain closed to residents and tourists, due to an oil spill off the coastline, we'll investigate how the slick is spreading - and the impact it could have on marine life.

And, Earth's orbit is getting clogged up with space junk - which is incredibly dangerous for satellites and spacecraft. Now there's a plan to send giant robotic claws to clean up the mess.