A reader wants to know whether "single stream" recycling is more efficient than the usual sort-paper-and-plastic approach. Umbra digs up the answer.
Why are there so many different varieties of cleaning products, and do we need them? Umbra has the sudsy answer.
A reader's city is replacing its network of pedestrian walks. Concrete? Asphalt? Rubber? Umbra covers the ground.
A reader wants to know how to do her binge-watching in the most sustainable way. Umbra goes True Detective on this one.
A reader wants to know: Are big plastic jugs of bottled water really the best way to go? Umbra finds out.
If you're disposed to be disposing, but not sure what to do with some of the disposables, Umbra's got some answers.
A reader wants tips for how to stay cool inside an old building without blasting an air conditioner. Umbra has ways to chill.
Are there better choices than little white plastic pellets to fill that blobby comfy chair? Of course! Umbra investigates.
What to do with old Barbies, Lego bricks, and other plastic toys? Umbra sorts through the disposal dilemmas represented by the toybox.