Green Technology

After centuries of water pollution, Baltimore creates a river
filtration system that has sifted out 1.1 million pounds of trash.
Next, scientists try to save the Great Barrier Reef by proposing a
technology that would alter the density of clouds. We also explore
how Farmdrop-- a service that allows consumers to purchase directly
from independent farmers-- would cut back on food waste. And
lastly, the use of coal continues to decline...which leads to this
week’s endangered job.