While in the midst of a global pandemic, we can't forget the ongoing climate crisis. Here's how you can participate in Earth Day 2020.

A Tesla won't get a camel through the eye of a needle.

We don't have time for purity tests.

Greta Thunberg, Margaret Atwood, Michael Mann, Naomi Klein, David Suzuki, Bill McKibben, George Monbiot and more make the case.

It's a curious reversal of the farm-to-table movement.

Some question if it is even possible.

Or are they just fooling themselves and being selfish?

They have always been controversial, and they may well be counterproductive.

With a carbon credit card, it doesn't have to be hard.

We are going to try and live the 2.5 Tonne Diet.

A lotta lentils.

More on why our personal consumption habits matter in the climate emergency.

The origins of Joseph Pilates' regimented workout program began when he was sequestered in an internment camp in England during WWI.

A British critic calls two green icons, rammed earth and Passivhaus, "architectural trickery at its most cynical."

Yes, but not necessarily in the way you think.

It's time for a rethink about what's really important in a home.

This pandemic may be an extinction event for the traditional university lecture.

Design for deconstruction out of low-carbon materials is the way of the future.

Can digital fabrication and robotic construction techniques help reduce the carbon emissions of concrete?

Built for a sculptor and his new family on the site of an old gold mine and sawmill, this house uses reclaimed concrete blocks weighing a ton each.

The ones we have left should be preserved; they don't make them like they used to.

The carbon footprint of concrete can be a whole lot better, if you make it out of carbon dioxide.

The National Ready Mixed Concrete Association (NRMCA) sends out a press release touting their recent political victory in Washington State, and their new promotional campaign, “Build with Strength.” Hilarity ensues.

They save concrete and look great after all these years.

A Chinese study says concrete actually sucks up CO2. This is not news, it's chemistry.

Sand mining is described as "the global environmental crisis you’ve probably never heard of." Another good reason to use wood instead of concrete.

Is this the future of construction?

New research sheds new light on why Roman concrete is so strong and water resistant, but let's not get carried away here.

The tech pioneer turned investor talks meat, batteries, and cement.

Researchers are looking to fungi to help provide a fix for crumbling infrastructure, with promising results.

So much for my New Year's resolution to stop writing about concrete planters in the sky.

But for everyone else it is a big nothingburger.

Yet another thing we are running out of.

Architect Jorge Fortan cements his case for a concrete and foam sandwich house.

Making cement puts out a lot of CO2. Making concrete needs a lot of sand. Both are big problems.

A key industry association is working to keep warming to "well below" two degrees.

Ambitious progress is possible, even in society's hardest to abate sectors.

Created by Zaha Hadid Architects, this innovative project demonstrates the possibilities of using KnitCrete technology for creating curved concrete shells efficiently.

Contractors are having trouble meeting the new safety standard.

Concrete Week at the Guardian produces some hard truths.

But nobody is buying greener cement because it costs more.

We do a little destructive testing and have a good breakfast.

Access to reliably electricity is what defines civilization in the 21st century, but in many parts of the world, and for a shockingly large number of people, even basic access to electricity is rare, unstable, or nonexistent. This has to change.

We need a new system to determine which nations ought to be forced to cut emissions, not the 20-year old outdated one we've got now.

It is as counterintuitive as it is true: Around the world, communities who have resided on the land the longest often have the most tenuous rights to that land.

There's plenty of "recognizing," "acknowledging," and "noting" going on in the final draft of the Rio+20 text. Lot's of UN-ese. And that's about it.

A new UN report says that a 1% tax levies on the world's 1,225 billionaires would more than make up for the shortfall in development aid from governments.

A new solar-power kit from BRIGHT Products is like the Swiss Army Knife of solar gadgets.

Just 30 minutes of play time can power a lamp for three hours.

A new generation of succesful for-profit, mission-driven businesses are serving energy-hungry communities across the globe.