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 ...

More democracy: A second chance for climate politics

Hope was high when the Paris Climate Agreement was adopted 2015. Under the agreement, countries pledged to keep global warming well below two degrees Celsius. Five years later, the situation is sobering: Global emissions ...

Can China keep its climate promises?

China can easily meet its Paris climate pledge to peak its greenhouse gas emissions by 2030, but sourcing 20 percent of its energy needs from renewables and nuclear power by that date may be considerably harder, researchers ...

Ocean sink for man-made CO2 measured

An international research project led by scientists from ETH Zurich has determined the amount of man-made CO2 emissions taken up by the ocean between 1994 and 2007. Not all of the CO2 generated during the combustion of fossil ...

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