World, don’t lose heart, but you really need to hustle.

That’s the message from the United Nations as international climate delegates prepare to launch into a new round of negotiations next week aimed at cutting global greenhouse gas emissions.

The world agreed in 2009 to limit global warming to 2 degrees Celsius, or 3.7 Fahrenheit, above preindustrial levels. But a report released Tuesday by the U.N. Environment Program reminds us that we’re not on track to meet that goal — not even close.