I only take on roles that I'm passionate about. Life is too short to do things that you're not happy with.

Business can talk itself into a blue funk.

Marine protected areas, and particularly no-take zones, are very effective in allowing regeneration of fish stocks.

In the end, there will always be a fundamental difference of perspective between New Zealand and Australia on defense, whoever is in government.

Innovation applied across the board of development is having a huge impact, and can have more. All sorts of technology can provide shortcuts, can overcome obstacles which once seemed insuperable.

If you neglect those who are currently poor and stable, you may create more poor and unstable people. There has been a tremendous concentration of donor interest in countries that are seen as particularly fragile - but it becomes harder to mobilise money for sub-Saharan, plain poor countries.

Someone's got to break the glass ceiling, and once it's broken, everybody else comes clamouring up behind.