nutrient pollution, Tag

Nearly half of all the world’s top soil has disappeared over the last 150 years, despite its critical importance to our food supply. At least 95 percent of our global food supply relies on rich topsoil for production and...

Due to their federally protected status and careful management, it is easy to assume that national parks are safe from the harm of human activity. Unfortunately, many of the parks across the country are vulnerable to nutrient...