HELPFUL – Page 31 – Our Fragile Earth

HARVESTING HUMAN HAIR

Photo: Paul Siewert Researchers have used carbon dots, created from human hair waste by breaking down the hairs and burning[…]

Photo from Spanish geothermal heat from old mines: Hunosa About one-quarter of British homes sit on a coalfield. An estimated[…]

More flooding from heavy rain caused by climate change will undoubtedly mean that water supplies will be contaminated at times.[…]

As much as 40% of your home’s heat comes through your windows. So, block light and air during the hottest[…]

Flow batteries could store massive amounts of renewable electricity for the grid, but have a high cost and short life.[…]

Photo: Nicholas DohertyA new plan will allow commercial offshore wind farms in a 399-square-mile area in Morro Bay along central[…]

Photo: Frederic Perez Planting eucalyptus trees where cattle graze can turn grassland into land dotted with trees. Around 250-350 trees[…]

A steel company, mining company and electricity producer partnership have succeeded in producing a form of iron using a nearly[…]

MIT researchers have developed a solar cell that can harness the sun, splitting water into hydrogen and oxygen. The so-called[…]

The process of turning sunlight directly into usable energy (photosynthesis) may become something we can mimic to harness the sun’s[…]