Lower carbon dioxide emissions on the horizon for cement

Concrete is the most widely used building material in the world. As a key component of concrete, cement—and more specifically its production process—is a significant contributor to climate change. Every year, over 4 billion ...

Artificial photosynthesis gets big boost from new catalyst

A new catalyst created by U of T Engineering researchers brings them one step closer to artificial photosynthesis—a system that, just like plants, would use renewable energy to convert carbon dioxide (CO2) into stored chemical ...

Scientists say cost of capturing CO2 declining

Technology now in limited use removes about 90 percent of carbon dioxide from the smokestacks of coal-fired power plants, but energy experts say cost remains the chief obstacle to bringing the "clean coal" touted by President ...

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