10,400 landmarks, over 7,000 cities and 172 countries and territories – have all switched off for Earth Hour. And this incredible momentum all started here in Australia. Together, we have achieved so much. And in 2016, just months after the formation of the first global agreement on action on climate change, it's more important than ever that we switch off. We need to send a resounding message to our leaders that we expect them to stick to the commitments made in Paris last year, and to take mea