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Ocean pH
Ocean
acidification is the name given to the ongoing decrease in the pH of the Earth's oceans, caused by their uptake of atmospheric carbon dioxide. Between 1751 and 1994 surface ocean pH is estimated to have decreased from approximately 8.18 to 8.1. PH is a measure of the acidity or basicity of a solution.
From machete to machine in Brazil's cane fields
For nearly five centuries, the classic image of sugar production in Brazil has been one of workers setting cane fields on fire and then descending on the crop with their machetes for harvest. No longer.
Mauritania plants trees to hold back desert
Mauritania has launched a tree-planting program aimed at protecting its capital from the advancing desert and coastal erosion, a project that could eventually extend thousands of kilometers across Africa.
Batteries Are the Shocking Truth about Electric Cars
President Barack Obama flew to Holland, Mich., recently to attend groundbreaking ceremonies for a new lithium-ion battery plant, which the White House advertised as an example of federal stimulus grants at work and a gateway to a clean-energy future.
Whiskey Byproducts Could Produce Next Big Biofue
August 19, 2010 — Researchers at Edinburgh Napier University have patented a process to produce biobutanol, a fuel that can be used in existing gasoline engines without any modifications, from whiskey by-products. In utilizing waste products, the process eliminates the need to use arable land and food crops to produce a more sustainable fuel.