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 ...

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 ...

Not only can you possibly slip off the side and cut a gash in your face on these crazy tread stairs, you could slip and fall crotch first onto the middle bar. Very useful for keeping fatties off the ...

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 ...