Carbon-Negative Construction
A new generation of building materials aims to actively pull carbon out of the air.
Carbon-Negative Construction
Cities Stories
New Year’s fireworks can give migratory birds a surprisingly long hangover
New Year’s fireworks can give migratory birds a surprisingly long hangover
The link between fireworks and wildlife disturbance is well-established. This study of migratory geese is the first to look at long-term effects
Windows just keep getting smarter. These darken in the sun and generate electricity
Windows just keep getting smarter. These darken in the sun and generate electricity
Dynamic windows could do double duty in sustainable building design, cooling and powering at the same time.
Buy High, Sell Low
Buy High, Sell Low
Like it or not, retreat from the coasts has begun. The only question left is whether it will be managed or chaotic.
To pay for green infrastructure, cities are turning stormwater into an economic resource
To pay for green infrastructure, cities are turning stormwater into an economic resource
But clever new financing instruments come with their own risks
Do plastic bag bans make a difference?
Do plastic bag bans make a difference?
Do Plastic Bag Bans Make A Difference? Like so many life-cycle assessments, it’s never that simple. The environmental impact of plastic-bag bans is a good news–bad news story. By Pierre-Olivier Roy First, the Good News. Cities that have banned consumer plastic bags...
Water-Harvesting and Arid-Adapted Agrobiodiversity
Water-Harvesting and Arid-Adapted Agrobiodiversity
A revival of rainwater harvesting is occurring around the world, as desert communities restore traditional systems known as rain gardens, ak-chin agriculture, floodwater farming, gavias, karez, qanats and fogarras.
Ingenious one-step method turns sewer gas into clean hydrogen fuel
Ingenious one-step method turns sewer gas into clean hydrogen fuel
Thousands of tons of harmful hydrogen sulfide (infamous for its rotten egg smell) are produced every year; researchers have found a simple way to tap into this wasted source of hydrogen.
It’s an unsinkable idea
It’s an unsinkable idea
The concept of settling the high seas is back—this time as a sustainable answer to sea-level rise, with an impressive team and UN support.