When it comes to evaluating our energy options, policymakers typically perform cost-benefit analyses. That seems pretty uncontroversial, right? Where it gets squirrelly is in the selection of ingredients. What costs to include? Short term costs, or long-term? Include externalities? If a particular technology emits pollutants that threaten life on earth as we know it, (more…)
Seeds and oils from the plant that produces the loofah sponge could help purify wastewater and prevent the spread of waterborne diseases in the developing world, according to a scientist speaking today at the 17th Annual Green Chemistry & Engineering Conference in Bethesda, Md. The low-cost, biodegradable seeds and substances made from oils of these seeds (more…)
A green roof is a special type of roof that is covered with certain types of vegetation. This vegetation can cover either all or parts of the roofing. Green roofs have many advantages and can be installed with relative ease.
Installing a Green Roof
I just sat down over lunch with a printed publication to which I subscribe called the “Green Money Journal.” Fantastic stuff. I loved the lead article, “From Growth Capitalism to Sustainable Capitalism,” by Joe Keefe, President and CEO of Pax World Management, which manages about $2.5 billion using an approach the company calls “sustainable investing.” (more…)
All CFLs contain mercury, typically about 4 mg. Some manufacturers have reduced the amount to as little as 1 mg in some types of CFLs, and more manufacturers are following suit. Today, very few household products contain any mercury. Before the 1980s you could find mercury in paint, pesticides, dental fillings and fever thermometers. (more…)
(Reuters) – Old coal-fired power plants in Europe must be closed by the end of 2023 if their owners are not prepared to fit equipment to filter out acidifying pollutants, European Union member countries agreed on Friday, two sources in the talks said.
All other power stations must start planning to cut out pollutants such as sulphur and nitrogen oxides that damage human health and soil and water quality. (more…)