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A new type of cement could reduce emissions from cement production by 97 percent

Cement and CO2 Emissions

One ton of portland cement produces a ton of CO2 emissions; can alternatives reduce that by 97 percent? This summer, if you’re thinking of mixing two parts of pozzalona with one-part lime and water as a tropical drink to serve to your guests, it will surely make their their throats go dry…really dry: these are the ingredients the Romans used…

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Hond'a FCX Clarity hydrogen fuel cell powered car

EarthTalk: Are Hydrogen Cars a Viable Option?

EarthTalk® is a weekly environmental column made available to our readers from the editors of E/The Environmental Magazine Dear EarthTalk: Is it true that fuel cell cars aren’t really any greener than conventional gas-powered internal combustion cars? – Michelle Adamo, Portland, OR A decade ago cars powered by fuel cells seemed like the future of green automotive travel, but many…

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Clean Technology Fund

Renewable Energy the Focus as UN Climate Investment Funds Expands

CIF member countries gathered in Montego Bay to share knowledge and experiences as the international community ramps up efforts to spur low-carbon development pathways.

The next generation - Next Generation Science Standards

Climate Science Students Bill of Rights

The battle for science education in our schools Our human existence in the modern world is utterly dependent on science and technology. Yet the troubling trend in the U.S. is that science education, mathematics and critical thinking skills are declining. Some argue that the decline of science, technology, engineering and math education (STEM) has never been that good or that…

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We need to fully understand geoengineering, even if to better realize what a bad idea it is

Geoengineering – Insanity? All the More Reason to Discuss It

Is geoengineering pure insanity? Maybe we should talk about it Is geoengineering the key to solving the global climate change problem? That’s the kind of question that evokes a knee-jerk reaction from those how consider it, including me. I believe we’re already doing enough geoengineering on the planet, albeit unplanned and perhaps unintended. For me, geoengineering like the kind environmental engineer David…

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Beijing-and-China-Air-Pollution

China Issues EV, New Energy Vehicle Mandate

Instituting another measure to reduce carbon emissions and toxic air quality, China’s national government is requiring that at least 30%, of new cars purchased by local government bodies, public institutions and publicly funded organizations’ between 2014-2016 be EVs or “new energy” vehicles.

Cis-difluoroethene

EPA Proposes New Climate-Friendly Refrigerants

In accordance with Pres. Obama’s National Climate Change Action Plan, the EPA is proposing new refrigerants with lower global warming potential that also don’t harm the ozone layer.