Which government agency launched the first comprehensive carbon-neutral initiative that became a model for other nations' sustainability programs?

Government agencies worldwide are increasingly adopting sustainability practices to reduce their environmental impact. From paperless initiatives to renewable energy adoption, governments are working to lead by example in the fight against climate change. This trivia poll tests your knowledge about significant government sustainability achievements that have influenced policy and public perception. How well do you know which administrations have made the biggest environmental strides?

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

The Swedish Environmental Protection Agency (2003)
The U.S. Department of Energy's Green Government Initiative (2006)
Australia's Department of Climate Change and Energy Efficiency (2007)
Germany's Federal Ministry for the Environment (2005)