Piers Sellers: Earth from Space

The view of Earth from orbit was the focus of this What’s New in Aerospace? presentation televised on NASA Television from the Smithsonian National Air

The history of Offshore drilling

Developing crude oil is extremely hazardous in the Arctic, because of strong ocean currents, severe storms and floating ice. (2014 report) http://www.climatecentral.org/news/melting-sea-ice-makes-arctic-drilling-a-risky-business-17018 Offshore drilling https://en.wikipedia.org/wiki/Offshore_drilling