News tagged with waste

Fresh nuclear leak detected at Fukushima plant

Sensors at the Fukushima nuclear plant have detected a fresh leak of highly radioactive water to the sea, the plant's operator announced Sunday, highlighting difficulties in decommissioning the crippled plant.

Feb 22, 2015
4.8 / 5 (10) 1

Recycling of nutrients is the key to saving the Earth

Leakages of nutrients necessary for food production – especially nitrogen and phosphorus – cause severe eutrophication to the Earth's aquatic ecosystems and promote climate change. However, this threat also hides an opportunity. ...

Feb 23, 2015
4 / 5 (6) 0

Getting more electricity out of solar cells

(Phys.org) —When sunlight shines on today's solar cells, much of the incoming energy is given off as waste heat rather than electrical current. In a few materials, however, extra energy produces extra electrons—behavior ...

May 07, 2014
4.9 / 5 (23) 1