Concurrent drought and heat extremes in the future may cause substantial decreases in barley yields, leading to dramatic regional decreases in beer consumption (e.g., -32%) and increases in beer prices (e.g., +193%) in some years.

Despite increasing access to electricity, the reliability of electricity remains poor in many developing countries. We explain new research showing the magnitude of economic and environmental costs of electricity outages in sub-Saharan Africa.

In the first study to use a fully-coupled Earth system model to look at the future climatic effects of trans-Arctic shipping, we find that clouds formed in response to shipping emissions may offset ~1°C of the overall warming trend in the Arctic by the end of the century.

Although there are many options for reducing energy-related CO₂ emissions, some energy services entail emissions that are much more difficult to eliminate. We review technological opportunities and barriers for eliminating and/or managing difficult-to-decarbonize services, and critical areas for further research, development, demonstration and deployment.

China's emissions decreased between 2013-2016. Our analysis shows the decline was largely due to changes in industrial structure and a decline in the share of coal for energy production. Decreases may persist if nascent industrial and energy system transitions continue.

"South-South" trade among developing countries is increasing, and helping to reduce China’s emissions by shifting energy-intensive production to less developed regions. But this may make climate mitigation more challenging; emissions are spread among more and less-developed countries.