Lloyd Alter is Design Editor for Treehugger and teaches Sustainable Design at Ryerson University in Toronto. Alternating tread stairs are terrific for saving space; you only put one foot on a tread at ...

Ladders come in a range of styles to suit any number of applications, but step ladders are most common for indoor use. These fold-out, A-frame ladders tend not to surpass 10 feet and typically have ...

Start with your feet shoulder-width apart. Enter the ladder by hopping into the first square with both feet. Then jump out of the square with one foot landing to each side of the ladder. Next, jump ...

Whether you’re cleaning gutters, installing a new ceiling fan, or painting a new room, you’re going to need a ladder to get the job done. There are a lot to choose from, including step ladders for ...