1. Green issues that no longer matter
(Special News/Special news)

... natural gas have helped bring down acidity levels throughout Europe and America and will soon be virtually eliminated. Could it come back? Absolutely. The international shipping industry continues to ...

2. Natural satellite
(Science and technology/Satellite)

A natural satellite or moon is a celestial body that orbits a planet or smaller body, which is called the primary. Technically, the term natural satellite could refer to a planet orbiting a star, or a ...