Loughborough University studies show spent coffee grounds can become low-cost adsorbents and biochar filters that remove lead, copper and zinc.

Drill holes around the container for aeration and lift it slightly off the ground to allow drainage—simple tweaks that ...

Brewing coffee is one of life's greatest, simplest pleasures. Dealing with the leftover coffee grounds, though? Less than ideal. But, before you send your used coffee grounds to the compost bin or ...

Answer: Sure you can, but I don’t exactly recommend it. Putting the grounds directly on houseplant soil might not pose a problem, but it’s hard to be sure. Research on the composition and chemistry of ...

Emily Long is a freelance writer based in Salt Lake City. After graduating from Duke University, she spent several years reporting on the federal workforce for Government Executive, a publication of ...