Posts tagged with 'waste'
Retired EV Batteries Can Play a Vital Role in Making Clean Energy More Affordable and Accessible
Retired EV Batteries Can Play a Vital Role in Making Clean Energy More Affordable and Accessible
Most electric vehicle (EV) batteries are retired with as much as 70% to 80% of their original capacity remaining. They still work, but their performance no longer matches automotive requirements that demand full charging capacity for long-range driving. Over time, ...
How Multilevel Action Advances Colombia's Economic Transformation and Climate Goals
How Multilevel Action Advances Colombia’s Economic Transformation and Climate Goals
Cities are on the front line of climate impacts. They are home to most of the world’s population and economic activity and generate the majority of global emissions. Yet they’re also hubs of innovation and implementation, putting them at the center of ...
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 ...
Managing Extremes: How South African Cities Are Tackling Water Crises
Managing Extremes: How South African Cities Are Tackling Water Crises
With about 464 millimeters of rainfall per year — less than half the global average — South Africa is one of the driest countries in the world. Its semi-arid climate, uneven rainfall distribution and persistent droughts leave the country facing chronic water ...
River Restored: How Litter Traps & Local Art Are Reviving Johannesburg’s Jukskei River 
River Restored: How Litter Traps & Local Art Are Reviving Johannesburg’s Jukskei River 
In Gauteng Province, the Jukskei River winds its way through the heart of Johannesburg’s inner-city neighborhoods, informal settlements and suburban areas, eventually joining the Crocodile and Limpopo rivers before emptying into the Indian Ocean. One of the biggest waterways in ...
3 African Cities Restore Nature to Revitalize Their Rivers
3 African Cities Restore Nature to Revitalize Their Rivers
Africa’s cities, from large metropolises to smaller towns, are increasingly characterized by growing urban sprawl. Kinshasa, Democratic Republic of Congo, is expanding by about 2,000 people and 5 hectares (10 football fields) every day, according to a World Bank estimate. Kumasi, an intermediary ...
Public Participation Is the ‘Missing Link’ in Effective Urban Heat Mitigation
Public Participation Is the ‘Missing Link’ in Effective Urban Heat Mitigation
In Mathare – a collection of informal settlements northeast of Nairobi, Kenya, housing more than 500,000 residents – heat is reshaping daily existence. Most buildings in Mathare are constructed from materials like corrugated metal, which trap and magnify heat, forcing ...
Laying the Foundation for Green, Resilient Cities in Latin America
Laying the Foundation for Green, Resilient Cities in Latin America
Amid the vast Amazon River delta, Belém, Brazil, sits at the intersection of the urban and natural worlds. A network of waterways and islands home to resources like açaí and cacao surround the city, serving as a critical port for ...
How an Urban Bioeconomy Can Promote Healthy Ecosystems and Spur Sustainable Economic Prosperity
How an Urban Bioeconomy Can Promote Healthy Ecosystems and Spur Sustainable Economic Prosperity
Departing from the Amazonian city of Belém, Brazil, in a speedboat, it takes around 10 minutes to reach the shores of Combu Island. As the skyline fades into the distance, the lush, green environment of the island comes into view ...
E-Tricycles Are Powering a Recycling Revolution in Fortaleza, Brazil
E-Tricycles Are Powering a Recycling Revolution in Fortaleza, Brazil
Rafaela Aires’s workday starts at 9:00 a.m., leading her down city streets that weave past the Atlantic shoreline and under concrete overpasses. Her collected bottles and cardboard boxes used to form heaps in a hand-drawn cart. Now, they rattle in ...
What Happens When Extreme Heat and Air Pollution Collide
What Happens When Extreme Heat and Air Pollution Collide
On July 22, the world experienced its hottest day in recorded history. The global average temperature reached 17.2 degrees C (62.9 degrees F), prompting UN Secretary-General António Guterres to issue a global call to action on extreme heat. The problem of extreme ...
Oslo’s ‘Climate Budget’ Is Building a Cleaner City
Oslo’s ‘Climate Budget’ Is Building a Cleaner City
In the stylish Grünerløkka neighborhood in Oslo, construction workers are busy rehabilitating Sophies Minde, an old medical clinic, into a new nursery school and maternal health center. Tidy piles of building materials along the perimeter of the construction site wait ...
As Water Shortages Plague Bogotá and Other Cities, Nature-Based Solutions Can Help
As Water Shortages Plague Bogotá and Other Cities, Nature-Based Solutions Can Help
Bogotá, Colombia is in the throes of a water crisis. After several months of dry weather caused by El Niño, the Chingaza reservoir system, which provides 70% of Bogotá’s water, reached its lowest level in history. The city’s over 8 million residents are ...
Local Climate Action at the Forefront: How the UNEA-6 Cities & Regions Summit Elevated Subnational Governments
Local Climate Action at the Forefront: How the UNEA-6 Cities & Regions Summit Elevated Subnational Governments
“What you do in your cities resonates across the world. When you make your cities green and sustainable, you are not just local heroes, you are global heroes.” Those were the inspiring words that Inger Anderson, Director of the UN ...
Unpacking COP28: Key Outcomes From the Dubai Climate Talks, and What Comes Next
Unpacking COP28: Key Outcomes From the Dubai Climate Talks, and What Comes Next
The COP28 climate talks began with a new fund to address the increasingly severe losses and damage vulnerable countries face from climate impacts and concluded with the first international agreement to tackle climate change’s main driver: fossil fuels. Those bookends to the Dubai summit ...
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