Need help finding an ISA-certified arborist? The society’s website is set up to help you. On the home page there is a ...

Give your kids the coolest spot on the block—and memories to last a lifetime—by learning how to build a treehouse ...

Now is the time for some winter pruning on ornamental shrubs and trees. From December to late March is the perfect time to ...

Roots are essential to maintaining tree health, as well as keeping them anchored during gales and storms. Here's how to keep them in good condition and under control ...

Nepal has sharply increased Everest climbing permit fees and introduced a slew of measures aimed at controlling garbage pollution and preventing accidents on the planet’s tallest peak. Under the ...

Climbing the highest peaks in the world, those exceeding 8,000 meters, requires changes to one’s physiology. Beyond an impressive climbing resume and peak physical conditioning, actual bodily ...

Yes, even if you never use a brand new climbing rope, it still 'expires' after 10 years. When your rope starts to fray, display cuts, or is overly soft or hard, it's time for retirement.

George Welles craned his neck to look at the figures in the tree canopy above. “This is the definition of a bad day,” he said, pointing out the climber that was carefully lowering a dangling dummy ...