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All CategoriesEarthTalk: Can cars run on water?from:EarthTalkDear EarthTalk: I’ve heard that cars can be modified to run on water. How is this possible? -- D.M.There are a number of online marketing offers of kits that will convert... Read more...EarthTalk: Can we bring back train travel?from:EarthTalkDear EarthTalk: If train travel is so much less polluting than driving or flying, why are passenger rail options in the U.S. so limited compared to Europe? And is anything being... Read more...EarthTalk: The stimulus package and green jobsfrom:EarthTalkDear EarthTalk: What kind of job opportunities might be opened up by the new federal emphasis on green projects? -- D.W.If it’s a U.S. industry that has the potential to be... Read more...EarthTalk: Insulating paintsfrom:EarthTalkDear EarthTalk: Do insulating paints actually insulate and save energy? If they do, are they environmentally friendly to use? -- B.D.Paint additives that claim insulating... Read more...EarthTalk: Do sunspots and solar wind contribute to global warming?from:EarthTalkDear EarthTalk: Don’t some scientists point to sunspots and solar wind as having more impact on climate change than human industrial activity? -- D.N. ... 2 comments Read more...EarthTalk: Neighborhood Solar Powerfrom:EarthTalkDear EarthTalk: I know of solar power systems that people can put on their roofs to generate electricity or heat water. Are there systems that serve whole neighborhoods? -- L.H. ... 1 comment Read more...EarthTalk: Recycling mattressesfrom:EarthTalkDear EarthTalk: How can I recycle my old mattress if the place I buy a new one from doesn’t take it? What do mattress companies do with old mattresses when they do take them? Do... 1 comment Read more...EarthTalk: Where will we re-charge our plug-in cars?from:EarthTalkDear EarthTalk: With plug-in hybrid and electric cars due to hit the roads sometime soon, will there be places to plug them in besides at home? And if so, how much will it cost to... Read more...EarthTalk: Microwaves vs. gas and electric ovensfrom:EarthTalkDear EarthTalk: How does the microwave compare in energy use, say, to using a gas or electric stove burner to heat water for a cup of tea? -- T.D. The... Read more...EarthTalk: Nanotechnology forges aheadfrom:EarthTalkDear EarthTalk: What is "nanotechnology?" I’ve heard that nanoparticles are already in consumer products, yet we haven't really studied their potential health... 1 comment Read more... |