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citizens

Flora Robotica: The Future of Growing Your Own House?

Let’s talk hypothetically – what if we had the ability to grow our own houses? Out of plants? No greenhouse gas emissions, no grey concrete, no building-material waste, no heat island effects. Wouldn’t it...

A Little Bit of Green Among the Grey: The Case for Greenery

The United Nations’ article 'Cities and Pollution' states that cities use up 78% of the world’s energy and produce more than 60% of greenhouse gas emissions, all while covering less than 2% of our...

The Case for Green Roofs

How to incorporate greenery into urban spaces? Where to put green spaces in a densely populated area? Putting them on a roof is a way to go! The benefits of green roofs are being...

Bringing Homes to Life: How to Green Your Walls

Greening your walls just may be easier than you think. We have gathered guidelines, recommendations, costs, benefits, and everything you need to consider in this compact, easy-to-follow guide. Whether you’re a lover of vegetation or...

Bring Greenery Indoors: How to Green Your Home

There’s more to indoor plants than just succulents. With the following simple ways, you can enrichen your plain rooms with a little bit of nature. Whether a simple plant in a pot, or a...

How to Green and Maintain Your Sustainable Roof

Wouldn’t it be nice to go on your roof on a hot summer’s day, bringing a book and fresh lemonade with you, lying back in a deckchair and enjoying the sunny day – without...

The Challenge to Making Cities Greener

The thing about greenery is there’s more to it than just planting a bunch of trees. Peeking behind the scenes, a lot of urban planning, designing, technical research, and policy writing goes into realising...

Greenery: Facts & Figures

The basis for every city-changing venture is to do your research and to know your facts and data. For this very purpose, we have gathered the most important, surprising, or even uplifting ones in...

Useful Tools and Guides for Greening

If our articles have lit the fire for greening in you, we suggest getting even more information and details here! Find and collect all the needed knowledge, information, and guidance in this list of...

Urban Biodiversity and the EU Taxonomy

It’s easy to forget we share our space in the city with other creatures. Either being small and almost invisible to the unobservant eye or being right there, planted in front of your front...

Safety in Green Areas: It’s About People

Green areas are great; they have the potential to attract a city’s residents to enjoy nature, relax, and get some much-needed fresh air. Safety, though, is a large element of that enjoyment; so how...

How to Avoid Heat Islands with Greenery

Have you noticed the extremely high temperatures this summer? Especially when walking around a larger city? That is because city concrete and rooftop tar contribute to temperature increase and creating what is today known...

Micro-Gardening in Dakar: Fighting Food and Climate Insecurity

In lands where proper growing soil is scarce, water supply is low, and food shortage is prevailing, cities need to resort to innovative means of obtaining the needed resources. The city of Dakar managed...

Coolfood Quick Guide: Strategies to Entice Better Food Choices

Food service organisations are well placed to make a big dent in greenhouse gas emissions just by reducing how much meat they serve. The World Resource Institute’s Coolfood Quick Guide shows them how. And...

Please Don’t Kale My Vibe – Piloting Edible City Solutions to Change Food Systems

This article was written for CityChangers.org by Mirka Råberg and Olivia Fokeerah, who both work for Forum Virium Helsinki, the City of Helsinki’s innovation company, in Finland. In it, they explore how cities can...

CityChanger Frank Holleman: Realistic Expectations for Sustainable Eating Habits

Meat may be one of the most controversial topics in sustainability discourse. It’s a major contributor to climate change emissions, for one, and vegan advocates have a hard time convincing diehard carnivores to change...

Improving Cities Through Technology: Aude Vuilliomenet

When it comes to transforming cities, most think of implementing green spaces, retrofitting buildings, pedestrianising streets. It makes sense, when the bigger, tangible improvements are easily perceived by the eye. But what about microcontrollers?...

How to Finance Green Roofs

Let’s be honest, greening your home is never cheap. It may pay off in the long run, but in the short run, gathering all necessary financial means may present many a challenge. There are...