With the Great Pacific Garbage Patch increasing in size, coming up with a viable solution seems like a pretty important thing to do. Enter Boyan Slat, the 19-year-old with a plan that could clean up 7,250,000,000kg of plastic from the world's oceans - within about five years. [more inside]
The Ugly Indian: Ordinary people trying to clean up India's streets, starting with the city of Bangalore. Associated Facebook page. BBC coverage of the initiative.
How do you clean up a massive nuclear disaster? With 800,000 people, 45 seconds at a time. The Liquidators, Chernobyl's "biorobot" cleanup crew: Part 1, Part 2. [more inside]
NASA once sent a robot in - and nobody ever saw the machine again or collected any scientific data from it... [more inside]
The Hanford Site in SoutheastWashington (located on the Columbia River) is considered the dirtiest place on earth. 177 Underground storage tanks hold over 50 million gallons of radioactive and toxic waste. And they are leaking. [more inside]