No fewer than 2,700 people had fled their homes as the Philippines’ second most active volcano erupted and government scientists warned on Friday, July...
Introduction
Natural bitumen, a dense, viscous, semi-solid form of petroleum composed of aliphatic and aromatic hydrocarbons, asphaltenes, resins, sulphur compounds,...
The International Institute of Tropical Agriculture (IITA) has been officially designated a Wetland of International Importance under the Ramsar Convention,...