The Constellation Energy Foundation will offer "EcoStar" grants to nonprofits to start environmental stewardship projects, the company has announced.

Nonprofits could receive as much as $5,000 to fund projects in one of five categories: pollution prevention, education and outreach, energy efficiency, conservation and community activism. Projects must be located in areas where Constellation does business.

For more information and an online application form, go to www.constellation.com. The application deadline is March 16. Awards will be announced by Earth Day, April 22.