Everyone must be clear that business as usual is not an option. Most of us live in buildings erected long before we were born and our successors will have to live with the environmental consequences of the buildings we construct today. It is vital that we minimise harmful impacts for those who come after us

I don't join or leave things lightly.

It is a stark and arresting fact that, since the middle of the 20th century, humankind has consumed more natural resources than in all previous human history

Humankind has the science and technology to destroy itself or to provide prosperity for all. But while science offers us these opportunities, science will not make that choice for us. Only the moral power of a world acting as a community can

Today's dialogue has succeeded in reinforcing the need for international partnerships and cooperation in tackling the reality of climate change.

The rewards that will flow from a successful shift to a low carbon economy are high. Neither governments nor business can afford to let these opportunities pass them by

One of the reasons I came into politics was because I thought I lacked the skills to be a social worker.