Take the challenge of climate change. In just eight years, we’ve halved our dependence on foreign oil, we doubled our renewable energy, we led the world to an agreement that has the promise to save this planet.
Enhanced security measures since then, combined with a rise in airline travel due to the improving economy and low oil prices, have resulted in long waits at major airports such as Chicago's O'Hare International.
Autonomous underwater vehicles, or AUVs, are used in the oil industry, for instance, to create maps of the seabed before rigs and pipelines are installed.
They say that satellite data is still the fastest and most accurate way to find oil slicks but that in the future new technology can help better assess how widespread they are.