"A series of studies by leading scientists rank excessive nitrogen levels caused by sewage and the agricultural use of fertilisers as more threatening even than rising CO2 levels and climate change," ...

The tremendous popularity of Rocky Mountain National Park – it’s currently the third-most visited national park in the country – has brought with it a number of less positive developments, including ...

The operator of a public toilet in a desert scenic spot in Dunhuang, Northwest China's Gansu Province, stops tourists from asking help from others to tow their cars. Photo: Screenshot of a video ...