The Planet Can't Survive Our Transportation Habits - City Lab


A landmark report by the UN Intergovernmental Panel on Climate Change released Monday spelled out a grim planetary future in no uncertain terms. If greenhouse gases warm the atmosphere by as much as 1.5 degrees Celsius, the most dire effects of climate change will be unleashed. Coastlines will be submerged, droughts and wildfires exacerbated, coral reefs exterminated, severe food shortages and poverty deepened. And humanity has only a fast-closing 12-year window to make the changes necessary to avoid this fate.

Previously, the IPCC’s work had focused on the effects of 2 degrees Celsius of warming, which scientists once considered the threshold for these nightmarish effects. But that half-degree would quite literally make a world of difference. Climate change will be much worse than the leading authorities thought. Mitigating the worst impacts will take unprecedented, coordinated global action—shutting down coal plants, passing a substantial carbon tax, restoring forests, and sharply cutting transportation emissions.

Such efforts would be akin to an “immediate, coordinated crash program of re-industrialization, involving every major country in the world,” the science journalist David Roberts wrote on Twitter. “It would be like the US mobilizing for WWII, only across the globe, sustained for the rest of the century.”

That would be ludicrously difficult. And visions of a dire climate future, described in what sound like inevitable terms, tend to have a paralyzing effect on individuals, who likely wonder what possible difference their choices might make. But the IPCC also makes clear that no action will make things far worse. And it describes critical areas where habits and individual decisions—”demand-side mitigation and behavioural changes,” in the words of the IPCC report—can make an difference.

Click here to read the full article: https://www.citylab.com/transportation/2018/10/un-climate-report-transportation-choices/572494/

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