Plastic foam, plywood and some other plastic parts could make the difference between life and death. These are the materials that make up a delivery drone created by DASH Systems. The California company also describes its lightweight aircraft as an unmanned …

It’s a long way from Abidjan in the Ivory Coast to the interstate highway near Chicago where trucker Mamoudou Diawara relishes the advantages that come with traveling the open road. “Trucking is the freedom,” Diawara says. “It is the freedom …

Industrial pollution is making life difficult in Iran, adding to a long list of economic and political grievances, according to Hamid Arabzadeh, an Iranian-born environmental health expert who teaches at UCLA. Pollution is among the reasons for the protests in …