HELPFUL – Page 48 – Our Fragile Earth

WONDERFUL WOOD

Image: UBC Media Relations via Flickr Buildings are currently the source of about one-third of global greenhouse gas emissions. Wooden[…]

Photo: Dennis Schroeder, NREL Transparent glass panes using special thermochromic materials coated on glass or sandwiched between glass panels can[…]

Steel production contributes 7-9% of the world’s direct emissions from fossil fuels. Demand is projected to increase with growing global[…]

Seawater air-conditioning [SWAC] involves pumping cold water from oceans at depths of below 700 meters and temperatures of 3 to[…]

Scientists have derived design rules for light-absorbing dyes able to help make organic solar cells more efficient, while tailoring their[…]

Several brands of eco-friendly disposable diapers exist, typically made from bamboo, cotton, or plant-based pulp. But wheat gluten (the main[…]

Biochar provides long-term storage of carbon and nitrogen on American farms. Using it for soil amendment can also include significant[…]

Floating solar farms on existing hydropower reservoirs could cut solar costs and meet 40% of the world’s energy needs. Putting[…]

Peat bogs (wetlands containing large amounts of carbon in the form of decaying vegetation) make up only about 3 percent[…]

A supercapacitor made partly from from the plant polymer lignin is a step towards sustainable energy storage. Supercapacitors are energy-storage[…]