Here’s our weekly digest of interesting and useful links from around the web. Enjoy, and have a great weekend!

• Retail spending is slow, but people are still spending.
• 50 years of LED tech. (via @Carolyn LaWell)
• Lichens!
• Related: Reflecting pool at the Lincoln Memorial drained due to algae invasion.
• Science makes it true: To be more productive, watch cat videos on the internet.
• London wants its own High Line, but underground.
• Above: Water rates are going up. They won’t stop. (via CLCA)

Here’s our weekly update on cool stuff from the web. Enjoy!

• A farm replaces golf as in the suburbs. (Via @turfhugger)
• Monkshood making a comeback in the Midwest.
• A visual representation of what Americans spend their money on.
• Top 5 social media branding mistakes.
• ASLA publishes report how much cash green roofs and similar infrastructure can save.
• Make your designers’ lives easier with Pinterest. (via @uphelpsr)
• Flower subscription service H.Bloom raises $10 million. (via @getsocialshow)
• Above: Landscape lighting series by Barry Underwood, an artist and professor of photography at the Cleveland Art Institute. (via The Dirt)