More than 26,000 pounds of human excrement is dumped at Mount Everest’s base camp every year.
Britain’s microwave ovens generate as much carbon dioxide as 1.3 million cars.
A smartphone has a concentration of gold 25-30 times greater than the best ores.
The world’s electronic scrap in 2016 contained $67.29 billion-worth of valuable materials.
Teenagers who watch television with ad breaks in eat up to 500 more junk food snacks a year.
The world’s longest underwater cave has been found in Mexico: it’s part of a system 216 miles long.