Editors' picks for fun, helpful green living tips.

• Carbon Footprint Calculator: Calculate, reduce and offset.
• Greenwashing: How to spot and avoid false eco-friendly advertising
• Blackle: Like Google, with less watt usage.
• CIWMB: Find out how and where to recycle in California.
• Co-op America: Encouraging sustainable consumer practices.
• Greener Choices: Consumer Reports green Web site
• Energy Star: Tips on buying energy efficient products
• Green Business: Local businesses that have been certified green.
• Build Green: Norcal architects and builders who build green.
• PG&E Efficiency Tips: Save energy and money with help from PG&E.