In the news this week:

• Turn out the lights, please! Earth Hour is on Saturday at 8:30 pm (find out which sites will go dark).
• NRDC's Rob Perks makes sense of the EPA's mountaintop removal announcements on his Switchboard blog this week.
• On Huffington Post: three lessons we still haven't learned 20 years after the Exxon Valdez oil spill (related: read about NRDC's Sarah Chasis and her fight for better oil tanker regulations at the federal level after the Exxon Valdez catastrophe).
• Study finds that fish caught near wastewater treatment plants serving five major U.S. cities contained pharmaceutical residues.
• House passes bill protecting 2 million acres of wilderness.
• Recession triggers interest in energy efficiency. Consumers are looking for low cost energy saving devices for their homes.
• Shantytowns are springing up in cities around the country (NY Times, Treehugger).
• Report shows that half of U.S. workers don't shut down their PCs, wasting $2.8 billion.
• House plant tweets for water; 2,800 people follow it on Twitter.
• Obama commits stimulus money to development of electric vehicle technology.  
• Report forecasts that setting a national renewable energy standard at 25 percent by 2025 would help create 297,000 green jobs.
• Stimulus money helps revive the clean tech industry (Climate Progress, Green Inc.).
• Energy Department issues first renewable-energy loan guarantee for solar project.
• Tesla plans to build all-electric sedan at a plant in Southern California, which could help the sagging local economy.
• On Grist, get a wrap up of recent climate legislation.
• Find out how to recycle unusual household items.

Think I missed anything really great? Feel free to share it in the comments section.