For 25 years the Surfrider Foundation has been dedicated to preserving our planet’s oceans, waves and beaches.  Now you can help this non-profit grassroots organization and CardPartner, a company that helps organizations and charities create credit card programs, protect the world’s water by purchasing the new Surfrider Foundation Visa Rewards green credit card.

By simply activating your card the bank will donate $50 to one of the Surfrider Foundation’s water conservation programs.

We’ve shared a lot of PNC Bank’s green efforts with our readers, such as our posts PNC: A Green Bank with Eco-Friendly Service and PNC Bank Expands Green Initiatives, but PNC has really gone to where the grass is greener with its new easy green living wall.

The bank debuted plans last week to build a 2,380 sq. ft. soil-based Green Living Wall, which will appear on the side of its Pittsburgh headquarters.It will also feature a variety of other plants embedded in the green living wall that will make it into living art.

For the past 16 years, Hilaire Purbrick of Brighton, East Sussex has practiced living an eco lifestyle in his eco friendly home. Only, it’s not what you would call a traditional eco-friendly home: it’s actually a 7-foot wide cave that he dug on his own land. And he’s very happy living there, despite talk from the town.

The “freshman 15″ is something that all new college students want to avoid. So how can students protect their weight and the planet at the same time? Take away cafeteria trays.

According to the Sustainable Endowments Institute, a research organization that tracks the sustainable practices of 300 colleges and universities with the largest endowments, 126 of these schools currently have either cut out trays completely from their dining halls, or they have dedicated certain days as “trayless days.” This is all in an effort to reduce waste, conserve energy and water, and to save money at the schools.

Today is Earth Day, a special day that raises awareness about the environment. It’s also a great day for thanking everyone whose environmental initiatives are having a positive impact on the preservation of the planet.

Using data from river groups, local governments and environmental organizations, American Rivers, the top conservation organization in the U.S. that supports healthy rivers, has determined the 10 most endangered rivers in the nation.

These endangered rivers are not just threatened by water pollution, but also by dams, industries, development, or all three.