The latest UN climate report is chock full of alarming news, and tempered by some optimism
, the latest IPCC report is chock full of alarming news, and tempered by optimism that there are solutions in our grasp to save the world from the worst climate change scenarios—if we have the willpower.
“It’s now or never, if we want to limit global warming to 1.5°C,” IPCC co-chair Jim Skea said in a statement. “Without immediate and deep emissions reductions across all sectors, it will be impossible.”The report is premised around keeping global temperatures from rising more than 1.5 degrees Celsius. To achieve this goal, the authors came up with a model that allows greenhouse gas emissions to peak by 2025 and be cut by 43 percent by 2030.
Solutions, wrote the authors, must include reducing or changing urban energy and resource consumption; electrification; and improving carbon capture and storage in urban environments by expanding the use of biomaterials and permeable surfaces, and creating more. Cities will need to work tightly with neighboring jurisdictions to make the most of these strategies.
One big thing to look for moving forward is retrofitting buildings with new materials so they expel less carbon dioxide. “In 2019, global direct and indirect emissions from non-residential buildings increased by about 55 percent and those from residential buildings increased by about 50 percent compared to 1990,” the new report states.
Adoption of low-emission technologies still lags in most developing countries. But a combination of decreased technology costs along with financial strategies that make these solutions more accessible could go a long way to enabling more large-scale adoption.There isn’t much to say here that hasn’t already been said before: Saving the world from climate disaster will require overhauling transportation around the globe. “In scenarios that limit warming to 1.
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