The issue of security and climate change has, so far, largely slipped under the radar of the mainstream media and the general public. The reasons for this are legitimate.
The choice of the 'green economy' as one of the main themes for the next world Earth Summit (Rio +20) seemed to appeal to a range of governments on the basis that it could provide an optimistic and forward looking agenda.
Last week, in the opulent setting of one of the Royal Society's lecture rooms, two prominent thinkers on the environment engaged one another in a fierce battle. The debate tackled an issue that is the core to sustainable development but one that often lurks rather ominously on the fringes of discussions - population growth.
Like the looming kraken emerging from a murky underworld, the ash cloud has now returned to hunt European skies once more. Flights have again been grounded, airports are in disarray, and political parties have been forced into drafting strategies on how to protect their airspace from a clump of dust participles. The ash cloud has cost the airline industry over 1.1 billion euros.