Urban trees are on the rise, but researchers are only starting to uncover the best way to cool cities with them.
On the eve of COP30, an initiative was unveiled to accelerate urban climate solutions in Brazil
Brazil and international partners aim to accelerate urban climate solutions, supporting 50 cities with sustainable transport and waste management projects by 2027.
Viewpoint: Greening the city with moss walls
In London, the Ashden offices feature a moss wall that improves air quality, reduces urban noise, manages water, and enhances biodiversity. A Dutch company, Respyre, offers technology to incorporate moss walls into architecture.
It will become even harder to be a heavily polluting motorist in Paris
Parisians voted to triple parking fees for SUVs to tackle pollution and congestion. Mayor Hidalgo has led environmental initiatives transforming the city with more bike lanes. However, the move has provoked division among citizens.
Viewpoint: How Quezon City is tackling plastic waste
The UNEP awarded Quezon City Mayor Josefina Belmonte for her innovative policies concerning plastic pollution, which include refill initiatives, bans on single-use plastics, and numerous recycling programs.
Four South Asian cities show the way for collaborative, low-emission development
The creation of Urban Low Emissions Development Strategies in cities in Bangladesh and India shows the value of sharing knowledge and insights at the local level.
Visions of car-free cities
Imagine your neighbourhood without any cars.
Opinion: Green spaces for hot cities
How hot cities can cool down.
Analysis: How Paris is reclaiming the Champs Élysées
How Paris’s Champs Élysées is becoming more people friendly.
Seven ways to reduce the urban heat island effect
How to reduce urban heat.
A greener life, a greener world 