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Gisele Bundchen has been named the new Goodwill Ambassador for the United Nations Environment Programme (UNEP), and we snapped the pregnant supermodel leaving a ceremony in NYC's Washington Square Park this afternoon.

Gisele took the podium and told the crowd just how serious she is about saving the planet. "The environment has always been my passion," she said. "I grew up in a small town and I had the opportunity to live surrounded by nature. I couldn't have asked for a better childhood. We must act now, so future generations have the same opportunity. Mother Earth is our fundamental life-support system, and by becoming aware and responsible now, we can assist in preserving the planet." Go her!

Gisele also showed off her growing baby bump, and even though she's due in December, you'd hardly know it! Looking good, Gis!