United Nations cultural agency UNESCO has designated 26 new biosphere reserves across 21 countries to tackle biodiversity ...

The Earth's protective ozone layer is on track to fully recover by mid-century, according to a UN report released Tuesday. The bulletin hailed the success of international agreements like the Montreal ...

In a year in which we have already been treated to the "Great North American Solar Eclipse" in April and one of the greatest displays of Northern Lights in the past 500 years in May, what other ...