The giant oil spill caused by an oil rig explosion in the Gulf of Mexico is wreaking ecological havoc on the Gulf Coast.
A Coast Guard report that the leak could be five times bigger than previously thought has sparked fears that this may become the "biggest oil spill in the world", far worse than the Exxon Valdez spill. 
This heart-wrenching disaster highlights the danger of President Obama’s plan to open vast expanses of pristine ocean for the massively polluting oil industry.
If you’ve already sent a letter, invite 5 friends to take action to protect our oceans.
President Obama’s plan to open the ocean to Big Oil will mean more emissions, more spills, and more pollution of our irreplaceable ecosystems.
It’s not just whales and birds that are threatened by offshore drilling expansion – it’s the entire planet.
1. "Gulf of Mexico oil slick said to be five times bigger." BBC, April 29, 2010.