What Decarbonization Means for Cows, Steel and Cement

What is “decarbonization”? It’s an approach to climate change both sweeping and incremental: working industry by industry, process by process, to bring greenhouse gas emissions down as close to zero as possible. Some challenges are familiar: switching power plants to renewable sources and filling roads with electric vehicles. A look at agriculture, which accounts for 25% of emissions, along with cement and steel, which combined account for 14%, gives a sense of less well-known tasks.