This article identifies a cross selection of climate scenarios that can stave off global warming -- or incite no return.
At the UN Climate Change Conference late last month, world leaders reaffirmed the 1.5 C goal of carbon reductions that’s been accepted as necessary to mitigate the climate crisis. But without dramatic action — action the leaders atdid not commit to taking — lessening global warming to livable levels most likely will not be possible. Instead, governments around the world need to embrace viable climate scenarios that exist and point to a less hot future.
Emissions reductions in CO2 from fossil fuels and industrial processes , due to improvements in energy intensity of GDP and carbon intensity of energy, have been less than emissions increases from rising global activity levels in industry, energy supply, transport, agriculture, and buildings., adding that wealthy economies and corporations “are not just turning a blind eye; they are adding fuel to the flames.
The results show a world that keeps inching closer to catastrophic climate change. But many climate scenarios do point a way toward a less hot global future. The scenarios help show us what needs to be done — and what we can still do.Scenario One, a High Overshoot:
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