April 1, 2026 • Washington state is facing a conundrum on the open water. A tool to reduce air pollution from ships can result in water pollution. And a proposal to untangle that paradox ran aground ...

Commercial vessels are deploying high-tech sensors to map a shifting sea, providing critical data for scientists and some help for the industry. By Eric Niiler and Tristan Spinski The panel voted to ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

Marginal cost measures the cost of producing one more unit of a good. Zero marginal cost occurs when extra units can be produced at no additional cost. Marginal costs include variable costs and can ...

Planet or Plastic? is National Geographic’s multiyear effort to raise awareness about the global plastic trash crisis. Come to this page often to learn more, and find out what you can do to reduce ...

For the inclusion of aviation non-carbon dioxide climate effects in the European Union Emission Trading System, uncertainties in atmospheric processes can be addressed through careful calculation and ...