Articles by Alex Steffen
Alex Steffen (@AlexSteffen on Twitter) writes and speaks about humanity's future on the Earth. He co-founded Worldchanging and edited the book Worldchanging: A user's guide for the 21st century. His latest project is Planetary.
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If we build it right, they (emissions) will come (down): ‘Carbon Zero,’ chapter 4
The key to carbon zero cities lies not in retrofitting old structures, says Alex Steffen, but in optimizing the tons of new building we'll do over the next 20 years.
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Move a little closer, please: ‘Carbon Zero,’ chapter 3
The key to climate salvation lies in making our cities denser. Alex Steffen explains why smart "walksheds" pave the way to lower emissions.
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People-focused places and fairer cities: ‘Carbon Zero,’ sidebar 2
People-focused density provides a disproportionate benefit for low-income people. In fact, good city design can be part of what gets people out of poverty. Compact development means increasing the supply […]
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Why clean energy isn’t enough: ‘Carbon Zero,’ chapter 2
To "zero out" our emissions with clean energy, we'd have to replace all the dirty sources we use now -- and do it all over again in 40 years. In chapter 2 of "Carbon Zero," Alex Steffen explains why we need to rethink our whole relationship with energy.
