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 ...

UN climate summit opens with warning against 'backsliding'

The UN's COP27 climate summit kicked off Sunday in Egypt with warnings against backsliding on efforts to cut emissions and calls for rich nations to compensate poor countries after a year of extreme weather disasters.

Plastic pollution could be cut by 80% by 2040, says UN report

Plastic pollution could reduce by 80% by 2040 if countries and companies make deep policy and market shifts using existing technologies, according to a new report by UN Environment Program (UNEP). The report is released ahead ...

Would a carbon tax help to innovate more-efficient energy use?

Taxing carbon emissions would drive innovation and lead to improved energy efficiency, according to a new paper published in Joule from Carnegie's Rong Wang (now at Fudan University), Harry Saunders, and Ken Caldeira, along ...

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