The realist’s road to zero

We can’t build a net-zero world without using steel and concrete, so reaching our goal means decarbonizing these carbon-intensive industries. The trouble is, many of the solutions rely on the same limited pool of green resources. In this series, The Possible explores the tough choices ahead for policymakers in a world that’s running out of options

January 2022

Concrete and steel

The production of cement and steel requires huge amounts of energy. We can’t do without them, but can they ever be zero-carbon?
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Decarbonizing renewables

There’s no getting round it: to decarbonize the world’s power supply, we are going to have to “spend” a lot of carbon in the process. But there are ways we can reduce the size of the bill.
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The hydrogen economy

Hydrogen could help many of the world’s most carbon-intensive processes to reach net-zero — just as long as we can decarbonize the production of hydrogen itself.
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Nature-based offsets

We could — and should — grow more trees. But that won’t be anywhere near enough to avert the climate crisis. We need to look further than nature-based offsets, and perhaps more closely at forests themselves.
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Carbon capture, utilization and storage

As things stand, almost all decarbonization roads eventually lead to CCUS technology. But there are currently fewer than 30 plants operational worldwide. So how do we get from here to net-zero?
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