Ceramic honeycomb air filters could cut city pollution

A new type of outdoor filter that could cut city air pollution and is scheduled to be debuted at the 2024 Paris Olympics has been awarded the €3 million Horizon Prize on materials for clean air.

Trump eases US methane rules as Colorado says state's work

The Trump administration is rolling back some U.S. regulations on climate-changing methane pollution, calling them expensive and burdensome, but Colorado says its rules are working—and they have industry support.

Six important points about the Affordable Clean Energy Rule

On Tuesday, August 21, EPA published a proposed rule to replace the Clean Power Plan. The proposal, entitled the "Affordable Clean Energy Rule," would establish a framework for controlling CO2 emissions from existing power ...

Trump's coal plan—neither clean nor affordable

Is climate change a problem? Consider the evidence: wildfires in California, Sweden and Siberia; flooding in coastal areas due to sea level rise; droughts in some places and extreme weather and rainfall in others; new and ...

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