Timothy E. Wirth

The Honourable Timothy E. Wirth is President of the United Nations Foundation, a public charity that supports public-private partnerships to address the world's most pressing problems, and builds support for the United Nations through advocacy and public outreach. He was United States Undersecretary of State for Global Affairs and a member of the United States Senate and House of Representatives.

The imminence and severity of problems posed by the accelerating changes in the global climate are becoming increasingly evident. Heatwaves are increasing in severity, droughts and downpours are becoming more intense, the Greenland ice sheet is shrinking, sea levels are rising and the increasing acidification of the oceans is threatening to disrupt the marine food chain.