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Fact Sheet

Earth Day 2009 and Green Science

Photo of monarch butterfly and flowers

Although monarch butterflies only lay eggs on milkweed, they nectar from a variety of flowers.

April 22, 2009

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April 22 was Earth Day, a day for celebrating the environment and thinking about what we can do to protect it. NSF supports basic research and educational efforts on a wide range of national and global environmental challenges--from green gasoline and other alternative sources of energy to climate change and protecting the Earth's oceans. This month, we've created Green Science, a page of news items recently highlighted on our home page, along with links to more environmental news and information.


The National Science Foundation (NSF) is an independent federal agency that supports fundamental research and education across all fields of science and engineering. In fiscal year (FY) 2019, its budget is $8.1 billion. NSF funds reach all 50 states through grants to nearly 2,000 colleges, universities and other institutions. Each year, NSF receives more than 50,000 competitive proposals for funding and makes about 12,000 new funding awards.

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