As China tackles its air quality issues, government regulators have turned their focus to shipping, an industry that burns thousands of tons of highly polluting heavy fuel oil near densely populated coastlines every day.
The size and structure of the socioeconomic metabolism are key for the planet’s sustainability. In this article, we provide a consistent assessment of the development of material flows through the global economy in the period 1900–2015 using material flow accounting in combination with results from dynamic stock-flow modelling.
The purpose of this working paper is to explore the potential for carbon removal in forests and farms in the United States, to identify needs likely to arise on the pathway to large-scale deployment, and to consider ways to begin addressing those needs.
Since the Paris Climate Agreement solidified an “all hands on deck” approach to climate change, cities, regions and businesses have become key contributors to mitigation, adaptation and finance efforts.
Over the last 50 years more than 90 % of the excess heat excess accumulated in the climate system because of greenhouse gas emissions has been stored in the ocean. The rest has been warming the atmosphere and continents, and melting sea and land ice.