In particular, Australia, because of its ancient geography, soil profile and distinctive weather patterns, is more adversely affected by climate variability than some other continents.

It is now well understood that humans ultimately depend on the health of the planet for their wellbeing.

I haven't chosen to make an issue of faith.

The Capitol was an occasion where you arrive at a sign in the road that says you have arrived at a place you may not have expected to be, but you know how you got here: Next!

Climate change is such a huge issue that it requires strong, concerted, consistent and enduring action by governments.

But no matter how big the effort to push a propaganda line might be, climate change is bigger. This, undoubtedly and regrettably, is the biggest immediate long-term environmental challenge we face. A failure to concretely come to some policy outcome on climate change has not only a negative environmental impact but also social and economic consequences for us.

I believe that the quantum of our knowledge will increase considerably in the coming years and that scientists will continue to be amongst the brave voices speaking out.