How Addis Ababa Can Restore Its Water Supply
How Addis Ababa Can Restore Its Water Supply
Water is a lifeline for cities. Yet, in Addis Ababa, that lifeline is growing tenuous. Over the past decade, the city’s water supply has dwindled dramatically due to intense urbanization, lagging infrastructure and non-revenue losses, landscape degradation and the growing ...
Tangible Insights: Planning for Resilience With Physical Maps
Tangible Insights: Planning for Resilience With Physical Maps
In most urban planning meetings, stakeholder engagement begins and ends with presentations. Data is shared, reports are circulated and challenges are discussed. This format often misses fostering the hands-on participation needed to tackle the local realities of climate change.  What ...
Advancing Local Climate Action for Ambitious NDCs 3.0
Advancing Local Climate Action for Ambitious NDCs 3.0
Nations around the world are ushering in a new decade of climate action through revised nationally determined contributions (NDCs), due this year. The urgency for climate action has never been greater, especially with 2024 marking the warmest year on record globally. While ...
World’s Informal Housing Crisis Demands a Climate Response
World’s Informal Housing Crisis Demands a Climate Response
When floods hit my hometown in Kenya last year, it was the poorest communities who suffered most. In Nairobi, where more than 3 million people live in vulnerable homes made of wood, sheet metal and concrete — many in low-lying ...
Modernizing Ports Is a Major Untapped Opportunity for a Healthier Planet
Modernizing Ports Is a Major Untapped Opportunity for a Healthier Planet
If global shipping were a country, it would rank among the world’s top six emitters of climate-harming gases (GHGs). Eighty percent of international trade — fundamental to the global economy and the goods we use in our everyday lives — travels by sea from ...
Meet CityMetrics: An Open-Source, Interactive Tool for Analyzing Urban Risks and Opportunities
Meet CityMetrics: An Open-Source, Interactive Tool for Analyzing Urban Risks and Opportunities
Which neighborhoods are suffering the most from rising urban heat? Where is flooding the biggest challenge? What other cities around the world are struggling with air pollution, and what can we learn from those that have improved the quality of ...
When Your EV Battery Expires, Who’s Responsible for It?
When Your EV Battery Expires, Who’s Responsible for It?
More than one in five cars sold globally in 2024 was electric, with sales crossing 17 million — a new record. And similar trends are emerging across other vehicle types, such as electric trucks, electric bikes and U.S. electric school buses. This marks a much-needed shift ...
Are Countries’ New Climate Plans Ambitious Enough? What We Know So Far
Are Countries’ New Climate Plans Ambitious Enough? What We Know So Far
2025 is a pivotal moment for climate action. Countries are submitting new national climate commitments, known as “nationally determined contributions” or “NDCs,” that will shape the trajectory of global climate progress through 2035. These new commitments will show how boldly ...
Bogotá, Colombia, Uses Data and Smart Urban Design to Cut Air Pollution
Bogotá, Colombia, Uses Data and Smart Urban Design to Cut Air Pollution
Nestled in the Andes, Bogotá’s mountainous landscape traps air pollutants, sometimes cloaking the Colombian capital in a dusty smog. The consequences have been severe. The city’s poor air quality resulted in an estimated 2,300 excess deaths in 2019. In 2023, ...
The State of Climate Action in 2025: 10 Key Findings
The State of Climate Action in 2025: 10 Key Findings
This year marks the 10th anniversary of the Paris Agreement, a watershed moment on climate action when more than 190 countries agreed to pursue efforts to limit global warming to 1.5 degrees C (2.7 degrees F) above pre-industrial levels. Achieving ...