About 60 percent of the world's coral reefs are under stress from rising temperatures, according to the non-profit group Reef Resilience Network.
The giant e-commerce technology company, Amazon, has announced that it expects to start delivering orders to shoppers' homes by drones in the coming months. The details are still in the works, but the innovation could change the way we get packages.
In 2016, researchers at Saudi Arabia's King Faisal University began sounding alarms that the nation is about a decade away from running out of groundwater.
Cambodia's Tonle Sap Lake, which lies in the center of the country, is home to hundreds of species of fish that provide the Southeast Asian nation with up to 60 percent of its protein. VOA's Kevin Enochs reports.